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What did the water represent in this lab activity?
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What did the water represent in this lab activity?
Then, water them again. Using tongs or oven mitts, quickly lift the aluminum foil and pour the melted crayons into the bowl of ice water. Match. Step 5: Watch as the water rises up into the glass! water. If you have a cell containing 75% water and 25% solutes, that is immersed in a solution of 95% water and 5% solutes, which way will water move across the cell's semipermeable membrane?. Record this measurement in your data chart Activity Overview and Teaching Materials. Learn more about summer water activities for kids. colored pencils or crayons) 3. Stir the water in each with the thermometer and ensure that the water in each cup or beaker is at the same temperature. Temperature and pressure determine the phase of water (solid, liquid, or gas). ) or aquatic (coral reef, pond, estuary, etc). It is generally possible to remove the water of hydration by heating the hydrate. This step requires two people - one person for each straw. Mark on the outside of the beaker the water level. Answer in complete sentences Describe the feedback mechanism increasing ice melt and global warming each year. 1. This step requires two people—one person for each straw. Water erosion is the process by which water wears away Earth's surface materials and moves them from one location to another. Modelling the greenhouse effect. Moles Lab Activity 1: PCU (Popcorn Counting Units) Materials: A container of each of the following: Popcorn kernels. You will use this lab worksheet to help you answer the lab test questions. We will examine the effects of movement across membranes in dialysis tubing, by definition, a semi-permeable membrane made of cellulose. What does this represent? Food broken into smaller pieces by the Teeth. Add a spoonful or two of sand to the water. What didthe Skittle represent in this lab activity? containing very warm water, 1 spray bottle containing cold water, another type of squeeze bottle or sponge with water, door of the classroom or closet, and worksheets Single neuron simulation—Five students line up one behind the other. In this lab you will explore the processes of diffusion and osmosis. After this activity, students should be able to: Explain that photosynthesis is a process that plants use to convert light energy into glucose, a source of stored chemical energy for the plant. Question: The picture represent which phase of Meiosis from Part 2 of your lab activity? Prophase Prophase Metaphase I Metaphase II. Gmail's Labs section graduates another feature into the mainstream today, pulling offline mail into the general settings pane. The value is also small; therefore, to allow a measurable variation in water volume, it is best to use a significant initial volume of water and a significant variation in temperature. I tried the recipe with the water base (in my search for this sauce peanut butter craving) a. This experiment works best if the water is a very dark color. Mix the half-and-half, sugar, and vanilla extract together in a pitcher Pour about a cup of the mixture in each student's sandwich bag Fill a gallon size Ziploc bag about half full of ice. Indices Commodities Currencies Stocks Easy water activities for kids make a splash, and water is a material that's always on hand. Water testing labs play a crucial role in ensuring the safety and quality of our water supply. Clinical Laboratory Sample Collection kleach4048 List the blood samples in this activity that represent people who could donate blood to a person with type B1 blood. Check out EvolutionLab A gummy worm is used to represent Sam, a gummy life saver is the life preserver and an overturned cup represents the boat. Clinical Laboratory Sample Collection kleach4048 List the blood samples in this activity that represent people who could donate blood to a person with type B1 blood. If desired, have your teacher place food coloring in the water and use the straw to mix. Keep the tubes in their baths for 10 minutes to allow them to reach the temperature of their baths Read and record the temperature of the ice-water bath. Put the beaker with water on top of the tripod as shown in Figure 5. What product was measured? e. The reaction rate will approach zero before 8 minutes Add a molecule to the mixture that preferentially binds and blocks the enzyme's active site. This type of cruise allows. Decreasing the pH will always increase the enzyme activity Increasing the pH will always increase the enzyme activity. In the following space, draw a diagram of the setup for this demonstration. The agarose gel will be made by adding agarose powder (or tablets) to running buffer, boiling the mixture, then letting it cool into a gelatin-like slab. Use ESRT for conversions Drop the whole tablet into the hot water and record complete dissolution time and record your observations Method. Fill 3 plastic cups 1/3 to 1/2 full with oil. Diffusion of Water Across Cell Membranes: Osmosis. - solute is equal in two locations. 6), a US House of Representatives hearing convened to ask why federal authorities haven’t regu. Record the weight of the gummy bear before the experiment. In the following space, draw a diagram of the setup for this demonstration. You should have seen this when you added additional hydrogen peroxide to your room temperature liver sample. Carbohydrates are an energy source or are used in making cell structures. Fill it about one-third full of water. Plant cell hypertonic solution is called The plant cell won't explode because it has a ______ RBC isotonic solution is called Plant cell isotonic solution is called Study with Quizlet and memorize flashcards containing terms like Which solution moved into the dialysis tubing? E. If the solute concentration is high, then the water concentration will be low by comparison. Each lesson contains at least one hands-on activity with instructions or a worksheet for the students. The one in the back of the line and the one in the front each hold a spray bottle of warm. Part I. Study with Quizlet and memorize flashcards containing terms like The land that supplies water to a river system is. Matter is made up of extremely tiny particles called atoms and molecules. Now wait while the candle burns out. Press the ball of clay into the center of the dish. What did the color on the Skittle represent in this lab? Part of a rock that can be chemically changed by forces. Students: 1. The perfect STEM activity for kids to use a controlled variable and works great as a science fair project! The first three lab activities in this series will assist students in the visualization of. Remove an Elodea leaf and place it in the middle of a microscope slide. Summary: Students collaboratively build models of watersheds by placing a large piece of butcher paper over various sized objects in a large pan. The imprinted "M" on each candy represents whether the atom has become stable or not. Place the eggs in the water solution, cover and let stand 24 hours. Hold the paper clip horizontally and bend the outer end upwards until it is at a 90° angle to the rest of the paper clip. In this model, the pieces of paper on the surface of the water symbolize Earth's tectonic plates, while the dyed, hot water in the small beaker represents the asthenosphere in the mantle. what happened to the potato in the 10% salt soln. D-60 Lab Activity on Global Wind Patterns Lab Activity #1: The Atmosphere in a Cake Pan Introduction In this activity, we model the air movements that occur when air is cold in one place (for example, at the poles) and hot in another (for example, at the equator). Remove to a heat-safe surface using a hot pad or oven mitts, stir, and return to the microwave for 30 seconds. e other one9. Test tubes of 10 to 15ml work well. Genetic diversity is a very important part of evolution. Break the graham cracker into four pieces- use only two and save the remaining two pieces of graham cracker for the next section. 4) Your teacher will come around now and pour a small amount of juice into the bag. Discuss with students what they have learned from the hand washing experiment. Discover the causes of sea-level anomalies, changes in sea surface temperatures, and. Place one tube of each in an ice-water bath, and one of each tube in a boiling water bath. Answer in complete sentences Describe the feedback mechanism increasing ice melt and global warming each year. 1. To find the mode, find the number that appears most often in the data set. Before the Activity. In each panel label each side ("Side A" and "Side B") as either hypertonic, hypotonic, or isotonic. Modelling the greenhouse effect. Use the pipette (water dropper) to squeeze 10 drops of water onto your skittle from a. The leaf disks should float in the solution (see photos below). Either fill the cups at the same time, or fill the cup with the smaller diameter straw first. The solute is sucrose and the concentrations are measured in units of molarity. Earth’s crust is cracked into big pieces called tectonic plates. If the solute concentration is high, then the water concentration will be low by comparison. Place a thermometer in each container making sure it is the same depth in each container. deepthroat vomit You only need a few simple items, including your hands, lots of … Through this hands-on activity, students explore five different forms of erosion: chemical, water, wind, glacier and temperature. In this activity, we are going to explore osmosis by looking at a dataset produced with a classic classroom experiment. Add 2 tablespoons liquid detergent (about 30ml) and swirl to mix. Her neighbor informed her. Use the pipette (water dropper) to squeeze 10 drops of water onto your skittle from a. Record the beginning and ending heights in the lab worksheet. Place a thermometer in each container making sure it is the same depth in each container. Widen the hole enough to comfortably fit each straw. 2. Pre-Experiment Questions Through which straw does the water flow faster? Tips: The water is easier to see if it is colored. Boil the last section for at least 5 minutes. We use water to represent air Based on the results of this lab, write a short paragraph that summarizes how to distinguish physical changes from chemical changes. Use it as a starting point to discuss what students have heard about climate change and global warming. Place a thin layer of sand over the sugar. Learn the concepts and experiments of diffusion and osmosis, two important processes that regulate the movement of molecules across biological membranes. Add one ice cube to the glass of water. New - How Sweet it is - A Colorful Sugar Solution Density Column. p0720 ford f150 This resulted in the water level going back to the level that it was previously In Activity 1, how did the water level of the "water table" from a normal BIO EXAM 3 Lab 8 Jhiatt2828 Lab 6 Review angelabeth93 what purpose did the tube containing water and hydrogen peroxide serve in the catalase activity experimental procedure in the experimental procedure on the effect of the pH on enzyme activity, which tube contained water with an acidic pH. Use the masking tape and pen to give each one a number. I also saw how plates interact with each other. The agarose gel is run in a standard electrophoresis system, then visualized with a transilluminator. medium glass. 5) Close your bag and squish the. Flip the bottle upside-down and pour the sand into the balloon. Water erosion is the process by which water wears away Earth's surface materials and moves them from one location to another. Making Sense Record your observations of the first red and blue water from the demonstration. Then, water them again. This lab can be used to investigate evolutionary principles such as directional, disruptive and balancing selection, the dependence of natural selection on the variability and heritability of a trait, founder effects, genetic drift, and extinction. Grade Level: 9-12 (could be modified for younger students) Time Required: 40-55 minutes for gathering data; 30-60 minutes to complete report. We will extract DNA from fruit to investigate how it looks and feels. According to the Hormone-Refractory Prostate Cancer Association, “LY” on a blood test stands for lymphocytes. AACT Demo: Intermolecular Forces & Physical Properties. Water is more concentrated outside the cell, so it will move into the cell (from 100% concentration to 90% concentration). It is generally possible to remove the water of hydration by heating the hydrate. A lab experiment for osmosis with potatoes involves putting half a potato in plain water and the other half in salt water and observing the difference in appearance Water is an essential resource that we rely on for our daily needs. The following lab will introduce you to some of the characteristics of this precious liquid. Use them in lab, lecture, and as study tools to connect our interactive 3D content with your learning objectives Procedures Observe Elodea sp. When did erosion take place during this lab? When the color from the skittle floated away in the water What did the water represent in this lab? Water in nature, rain What did the Skittle represent in this lab? A rock 6. I observed and found out that higher velocity in streams and rivers, as well as higher. After this activity, conduct the associated Density Column Lab - Part 2 activity before presenting the associated Density. Expected Results Directions Stick the bottom of a candle into a ball of clay. Why does the tube inflate? Because the waste and nutrients crossed over the semi permeable membrane to reach equilibrium with the liquid in the tube. 5. malgus swgoh Glass 3: Warm Water Glass !!- Complete under parent or guardian supervision Fill another glass or jar with three-fourths of water Use a ruler on the outside of the glass to measure the beginning height of the water. After doing so fill in your purpose and hypothesis statements found under the Activity 1 heading. Positive control: 3 mL of 20 mg/mL glucose solution. They record their observations and discuss the effects of erosion on the Earth's landscape. Indices Commodities Currencies Stocks Anyone who is sexually active should take the time to test for sexually transmitted infections (STI), also known as sexually transmitted diseases (STD). , How did changing from a light drizzle to a downpour affect the river and the sediment in it? Check all that apply When did erosion take place during this lab activity? When the colored water flowed away from the Skittle the water was carrying away the color (minerals, rock fragments, sediment) What did the water represent in this lab activity? Precipitation/rain that weathered the Skittle. Stretch the mouth of the balloon over the mouth of the bottle. I put students into groups of 3 for this activity. When did erosion take place during this lab activity? When the colored water flowed away from the Skittle the water was carrying away the color (minerals, rock fragments, sediment) What did the water represent in this lab activity? Precipitation/rain that weathered the Skittle. This information can be used to improve crops so that they are more resistant to disease, insect invasion or changes in climate. When plates move apart from each other at divergent boundaries, … In the lab activity, I used a virtual watershed to demonstrate how pollutants enter and flow through the watershed. Place the eggs in the water solution, cover and let stand 24 hours. Look at the colors and the shape of the flame. Sample Response: Physical changes occur when the properties of a substance are retained and/or the materials can be recovered after the change. Over the last few years, you’ve no doubt read about — or supported — Indigenous-led movements that center on defending the land and protecting water rights. Let the water boil using the alcohol lamp. Take extra care around the flame of a Bunsen burner by tying up hair and keeping it from combustibles Wash your hands before and after laboratory procedures Disinfect your lab bench at the beginning and end of the lab period Take extra care around the flame of a Bunsen burner by tying up hair and keeping it from combustibles. We will also examine these principles in living plant cells Pour this water into the other foam cup Quickly measure the temperature of the cold liquid and the hot water. Combining four of these would represent a larger animal consuming four smaller animals. Students should check their baggies at least once per day and. Place the eggs in the jars labeled syrup. Students may choose from 9 options to complete 3 mini lab assignments.
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Now wait while the candle burns out. Since water and oil do not mix, this mixture had to be continuously stirred and heated. The behavior of the food coloring was caused by the movement of heat through the water and the formation of convection currents. Another type of beans. Add about 4 inches of water. The leaf disks should float in the solution (see photos below). The papers (tectonic plates) would move due to the circulating currents set up by the injection of the hot water (asthenosphere), demonstrating plate … 1. You've given an introduction to the topic you studied and you've told the reader how you did your study, so you can finally start talking about the results of all your hard work! Use the Results section to summarize the findings of your study. P53 protein contains four units, which plays an important piece of cell control. Source Institutions. Study with Quizlet and memorize flashcards containing terms like Summarize the results of Activity 3, diffusion through nonliving membranes, below. Cut the neck of the balloon off at the part where it starts to widen into a balloon. Heat the solution in the microwave on high for 30 seconds. While using the virtual lab to model varying water erosion processes, I made a comparison and found many differences such as high and low levels of velocity, gradient, and volume in streams and rivers. Quaternary Structure. vinyl beadboard porch ceiling Tip: Fresher flowers work better than older ones. This unit consists of 5 lessons focused on ocean currents and physical oceanography. Properties of Hydrates. The lesson plan is for a 2. Measure 400 milliliters of water, and pour it into the first plastic cup. Heat the solution in the microwave on high for 30 seconds. States of Matter - PhET Interactive Simulations Do this simple salt water experiment to teach kids about the respective density of salt water and fresh water. In an ecosystem, the volume of water will decrease as it is used by the animals (evaporation, released with nitrogenous waste). The nickels represent the mother nuclei; the pennies, the daughter nuclei. containing very warm water, 1 spray bottle containing cold water, another type of squeeze bottle or sponge with water, door of the classroom or closet, and worksheets Single neuron simulation—Five students line up one behind the other. Background: Erosion is the wearing away of the soil by water, wind, and/or ice. Watch the video "Forensics on Trial". What was the correct substrate for this enzyme? Catalase + Hydrogen peroxide c. After dissolving the eggshell, we are left with a membrane that holds the insides of the egg. This activity showed the conservation of energy through the transfer of heat from the hot water to the cold orange juice and outer surroundings. Use this fact to explain your observations. 89 when treated as a mixture of HCl and water. The self-ionization. a. jersey shore bedpage Students fill a bag with starch and water and then submerge it in a solution of iodine and observe what happens. Stretch out the larger balloon and place it over the open bottom of the bottle. This step requires two people—one person for each straw. This lab can be used to investigate evolutionary principles such as directional, disruptive and balancing selection, the dependence of natural selection on the variability and heritability of a trait, founder effects, genetic drift, and extinction. Measure Up with a Homemade Thermometer: make a simple thermometer and explore how temperature affects liquids and gases. Are you looking for a thrilling and luxurious experience on the water? Look no further than the Lake Geneva Yacht Club. When it comes to enjoying outdoor activities at Lake Ozark, knowing the current water temperature is essential. Ensuring that your straw is touching the. Gather materials and make copies of the Density Column Lab - Part 2 Worksheet. what happened to the potato in the 10% salt soln. Jul 12, 2023 · Learning Objectives. 5) Close your bag and squish the. In the first, students observe a model of the greenhouse effect in a greenhouse using transparent bottles containing air. In this lab you will learn: This section presents learning objectives for the lab. Students relate what they learn from the rock candy experimentation to engineering drug researchers who design medicines for targeted purposes in the human body. 713 B Palatine Ave, Charlottesville, VA 22902, USA. Study with Quizlet and memorize flashcards containing terms like The land that supplies water to a river system is. Measure the Pressure: build a barometer to measure atmospheric pressure and explore how temperature affects gases. For this lab, we used the things I have in. This interactive, modular lab explores techniques for identifying and recording the electrical activities of neurons, using the leech as a model organism. Add a spoonful or two of sand to the water. After doing so fill in your purpose and hypothesis statements found under the Activity 1 heading. And it’s no accident that most people still don’t know what they are Yesterday (Sept. extreme low carb diet preeclampsia, high BP. rush e virtual piano sheet This just makes it easier to see and is fun, so totally optional. The energy wasn't destroyed, just transferred Does this change in temperature of the water and the mixing of liquids in the calorimeter. Students investigate the concept through a virtual lab, recording and analyzing data, creating sketches to represent vocabulary, and discovering the role of aquaporins in water transport through the cell membrane. Before the Activity. What layer of the earth does the water represent?(mantle) What layer of the earth do the popsicle sticks represent?(crust) 14. Add 2 tablespoons liquid detergent (about 30ml) and swirl to mix. These waste products are created naturally by our body when it does things like. They do not eat like humans and animals do; they make their own food with a process called photosynthesis. Mark the water level on the outside of each bottle with a permanent marker. What was the enzyme used in the experiments? Catalase b. Tell students that for this activity they are each playing the role of a nitrogen atom. Modelling the greenhouse effect. Radiation transfers heat from a light bulb to paper. What did the Skittle represent in this lab activity? A rock The outermost layer is hard and surrounds the Earth like a shell. In this lab, what did the pennies represent? What did one trial represent? The pennis represented the chance of radioactive decay, and each trial represented the rate at which radioactive decay can occur. The warmer water is less dense, so it rises to the surface. Aug 6, 2014 · 3. This diffusion of water is called osmosis. What did the Skittle represent in this lab activity? A rock In this lab, students create a model of a watershed system. If this gas could be captured and burned for cooking and heating it would prevent a large part of the methane from going into the atmosphere. Animal b. Water is an essential resource that we rely on every day for drinking, cooking, cleaning, and many other activities. what happens when cell is placed in hypotonic environment. This diffusion of water is called osmosis. Jul 12, 2023 · Learn the concepts and experiments of diffusion and osmosis, two important processes that regulate the movement of molecules across biological membranes.
extreme low carb diet preeclampsia, high BP. - begins in the mouth with mastication- chewing. 2) Take 2 identical cups, and put a gummy bear in each. Then, water them again. Nerdle can be described as a combination of “nerd” and “dabble. This simulates chemical weathering. Describe photosynthesis as a set of chemical reactions in which the plant uses carbon dioxide and water to form glucose and oxygen. Prep Work. 3 day period netmums Add 6 - 12 ice cubes to each bottle. 1 M NaC2H3O2 NaC 2 H 3 O 2 (sodium acetate) to tubes B and D. What was the lab mimicking in real life? The excretory system using diffusion to remove waste products from the blood. The solute is sucrose and the concentrations are measured in units of molarity. Decreasing the pH will always increase the enzyme activity Increasing the pH will always increase the enzyme activity. Lab Activities and Lesson Plans. ideas for a candy table Fill the jar half full of water. You might think that the extreme heat of summer and the icy cold of winter have something to do with how close Earth is to the Sun, but actually, Earth's orbit is almost circular around the Sun, so there is very little difference in the distance from Earth to the Sun throughout the year. … When did chemical weathering occur during this lab activity? When the Skittle sat in the water that accumulated on the surface of the Earth (tin pan) and the color (minerals, rock fragments, sediment) dissolved off … Water Cycle Activity. Earth’s crust is cracked into big pieces called tectonic plates. The most important observation I made during activity 1 is that when I removed the water from the well, water moved slowly back into the well. watch spider man no way home 123movies Nov 9, 2020 · Through this hands-on activity, students explore five different forms of erosion: chemical, water, wind, glacier and temperature. The behavior of the food coloring was caused by the movement of heat through the water and the formation of convection currents. (Draw what it looks like in the box below using colored pencils or crayons) and in written format. In each experiment, energy in the form of heat was transferred in a different way. Study with Quizlet and memorize flashcards containing terms like Which half-tablet dissolved faster and why?, Food typically does not bubble away or dissolve in water as the tablet did.
When did erosion take place during this lab activity? When the colored water flowed away from the Skittle-the water was carrying away the color (minerals, rock fragments, sediment) What didthe water represent in this lab activity? Precipitation/rain that weathered the Skittle. Have the children make a water molecule from two hydrogen atoms and one oxygen atom. Assembly. Place 50 mL of tap water into one graduated cylinder; leave the second cylinder empty. To find the median, find the central value in the data list. Discussion Questions The Watergate scandal was a major political controversy in the United States during the presidency of Richard Nixon from 1972 to 1974, ultimately resulting in Nixon's resignation. In Part A: Students are introduced to four major components of the Earth system and some of the ways in which they shape the planet and its environment. Osmosis is the movement of water across a semipermeable membrane (such as the cell membrane). density high latent heat. When blended liver is exposed to hydrogen peroxide, the catalase enzyme in the liver reacts with the hydrogen peroxide to form oxygen gas, which creates the visible bubbles in this photograph, and water. Ecosystems take into account both living organisms and the nonliving components like water, soil, light, etc. After the teacher has came and looked at the eggs, discard in the proper place. Take extra care around the flame of a Bunsen burner by tying up hair and keeping it from combustibles Wash your hands before and after laboratory procedures Disinfect your lab bench at the beginning and end of the lab period Take extra care around the flame of a Bunsen burner by tying up hair and keeping it from combustibles. eft bunkhouse key Working in teams, they design, build and test their own water filters—essentially conducting their own "dirty water projects. Study with Quizlet and memorize flashcards containing terms like In this lab, you observed how different factors such as velocity, gradient, and , or amount of water in a stream, affect the rate of , the transport of materials from one area to another by water. (Describe what is happening) Repeat steps 1 and 2, adding 20, 30, 40, and 50 drops Based on my observations, I can conclude that biotic and abiotic factors are closely linked and that human activity that changes the environment, like pollution, can affect all the other parts of an ecosystem in a negative way. Before conducting each experiment, you will first read about the experiment and then make a. These plates fit together like a puzzle surrounding the Earth. The reaction rate will approach zero before 8 minutes Add a molecule to the mixture that preferentially binds and blocks the enzyme's active site. Discover the causes of sea-level anomalies, changes in sea surface temperatures, and. In this lab you will explore the processes of diffusion and osmosis. This procedure is similar to what scientists have to do before they can use the information contained in this DNA. You've given an introduction to the topic you studied and you've told the reader how you did your study, so you can finally start talking about the results of all your hard work! Use the Results section to summarize the findings of your study. Question: In the ecological interactions lab activity, each small graduated cylinder (10 mL) represented a small organism. The lesson plan is for a 2. Direct students to follow the steps found on the worksheet (also duplicated below): A. A second step requires students to create a second molecule using similar materials and using the Periodic. If desired, have your teacher place food coloring in the water and use the straw to mix. Chemical weathering is the decomposition of rock from exposure to water and atmospheric gases such as carbon dioxide and oxygen. The activity is suitable for students aged 14-16 and lasts about 45 minutes 250 cm 3 Erlenmeyer flask; Approx. In the case of the hypotonic solution, there were more solutes in the egg than in the pure water. This step requires two people—one person for each straw. Rubric for grading is included. Watch as the water fills into the cup and the sugar dissolves and runs out. The concentration of …. Formation of a gas, solid, light, or heat are possible evidence of chemical change. two bedroom houses for sale near me What did you learn from conducting this lab? - Human activity can produce pollutants. This is an extension of Earth's Blanket The atmosphere is separated into 5 different layers based on the density of each layer. Turn the lamps on and start the stopwatch at the same time. The physical manipulation of marshmallows (atoms) and toothpicks (bonds) will create a visual representation of the molecular structure of water. Runoff is the major cause of water erosion. Objectives: Upon completing this lab, you will Learn how to write a molecular formula for several carbohydrates Learn how to read a structural formula for several carbohydrates Use models to construct the main types of carbohydrates. Changing the pH will have the following effects on a catalase-controlled reaction: A. What did the towels represent and help do to the "mini-oceans" in the glasses? The towels represent the land or sand and it helps mini-oceans in the glasses a more realistic feeling. At the end of this activity, students should be able to demonstrate their understanding of the vocabulary describing an enzyme reaction, including the following terms: enzyme, quaternary structure, active site, substrate, products, V-max, substrate concentration, competitive inhibitors, and enzyme concentration. What was the optimal pH? f. Hold the paper clip horizontally and bend the outer end upwards until it is at a 90° angle to the rest of the paper clip. Cut the bottom off a two-liter soda bottle at about the same height as the foam cup to create a dish. In Coat of Arms, each team member begins by drawing a personal coat of arms and then sharing it with a partner.