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pH
Learners use a Colorimetric test to measure pH and gain the importance to life in an aquatic ecosystem pH is. They explore the dramatic effect pH level can have on a water body. Students test the pH level of many water samples.
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Thermodynamic Equilibrium Constants
In this chemistry worksheet, students examine the concept of thermodynamic equilibrium constants with intense detail. The application of the knowledge is practiced with problem solving.
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Enzymes and Jell-O
Students test for the presence of enzymes in fruit and the specificity of those enzymes. They identify the susceptibility of enzymes to certain environmental factors such as temperature and pH in the enzymes environment.
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Reacting Masses Problems
In this reactions learning exercise, student determine the products of a reaction, balance an equation, and calculate the number of moles in an experiment. This learning exercise has 4 problems to solve.
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Observing Osmosis in a Chicken Egg
Tenth graders develop a hypothesis and explain what they observed on an activity. For this investigative lesson students observe osmosis and report their data using a graph.
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Cytoplasmic Streaming
Students prepare successful wet mount slide of Elodea. They determine and identify environmental conditions that induce cytoplasmic streaming. They determine the positive aspects of cytoplasmic streaming. They illustrate knowledge and...
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Investigation of Meiosis in Common Plants and Animals
Pupils witness various stages of mitosis through preparing onion root tip slides. With teacher guidance, they learn a great deal through the hands-on process of preparing the slides themselves.
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Investigating the Soil
Students explore the Earth's crust by researching pH levels and acidity. In this environmental safety lesson, students identify the pros and cons of acidity within soil and how it affects plants. Students collaborate in a pH level...
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Stoichiometry
Students research chemical formulas and balance chemical equations. In this chemical equations lesson students complete a class activity on chemical equations and answer questions.
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Invisible Ink - Demonstration
Young scholars observe a demonstration that shows that the indicator, phenolphthalein, is a chemical that displays different colors depending on either the acidity or the basicity of the environment. They use the substance to reveal...
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I Need Room to Breathe
Seventh graders explore how exercise affects carbon dioxide levels in exhaled air.
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Baking Soda and Vinegar Volcano
Students construct a volcano using baking soda and vinegar. In this earth science lesson, students explain the reaction that takes place when these two chemicals combine together.
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Natural Dye Lesson Plan
Pupils investigate major pigments which occur naturally in fruits and vegetables, and to use them to dye a number of items. They study the effects of pH on anthocyanin on pigments.