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Catalase Enzyme
Students design and conduct an experiment to test their ideas about how to speed up or slow down the rate of an enzyme-catalyzed reaction. They have access to an array of physical and chemical factors that might influence enzyme...
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Types of Reactions (Demonstration)
Students visually observe chemical changes that occur when various solutions are combined. Teacher explains chemical reactions that are happening.
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Kinetics Challenge Problem
In this kinetics activity, students use date from two experiments to determine the reaction order, calculate the rate constant and activation energy, and predict the mechanism for the reaction. This activity has 7 problems to solve.
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Chemistry of Iron and Charcoal Manufacturing in PA
Students examine the historical purpose of the forests in Pennsylvania and investigate how the iron manufacturing process works. In this chemistry lesson students write the chemical formula for making charcoal.
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Stoichiometry
In this stoichiometry worksheet, students solve thirty problems using the process of stoichiometry to find moles, molecules, and masses of substances in chemical reactions. Students balance chemical equations, find limiting reagents and...
Virginia Department of Education
The Effects of Heat and Acid on the Enzyme Catalase
How quickly do enzymatic reactions occur? Assist the class as they examine heat and pH change to determine the rate of chemical reactions using catalase as an enzyme. Watch them "glow" with excitement!
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Stoichiometry in the Real World
Real world chemical reactions are used as examples for teaching stoichiometry. Viewers work through air bag inflation, fat conversion to water in a camel, rocket fuel combustion, and carbon dioxide removal in spacecraft. Make...
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Ice Energy
Students study the concept of ice energy. In this ice energy lesson, students observe what happens when salt is sprinkled on a piece of ice before following a recipe to make two types of ice cream. They note the difference in the two...
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What's the Matter? (Experiments)
Students observe a scientific discrepant event, and are then challenged to create experiments to solve the dilemma.
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Conservation of Mass
In this conservation of mass worksheet, students design an investigation to demonstrate the Law of Conservation of Mass. Students describe their investigation, collect data, graph the data and write a conclusion about what they discovered.
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What's The Scoop?
Students explore the properties of matter. In this cross curriculum three states of matter science lesson, students listen to the poem "Eighteen Flavors" by Shel Silverstein, and predict what will happen if listed ingredients are...
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Biodegradable
Fifth graders experiment with biodegradable materials. In this science lesson, 5th graders perform a series of experiments, then discuss and chart their observations. Through the experiments, students will be able to identify three types...
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The Mole
In this moles worksheet, students read about mole and learn how to calculate the number of moles in specific mass of compounds. This worksheet has 14 problems to solve.
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Shaving Cream Art
Students participate in paper marbling. In this paper art activity, students use shaving cream and paint to create unique patterns on paper. Students mix shaving cream and paint together then lay paper down in the mix. The...
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Chemical Energy
In this science worksheet, students fill in the blank for 15 sentences about chemical energy. For example, "Chemical bonds hold_."
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Physical and Chemical Changes Crossword
In this chemistry instructional activity, learners complete a crossword puzzle with 15 clues about both physical and chemical changes. Each clue lists number of letters for correct word.
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Answers for Physical and Chemical Changes Crossword
In this chemistry worksheet, students are provided with the answers for a crossword puzzle containing 15 clues about physical and chemical changes.
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Chemical Equations
In this chemical equations worksheet, students fill in the blank with information about how to form chemical equations using the "ide" rule and the "ate" rule.
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Role of Energy in Reactions
In this energy worksheet, learners determine the enthalpy of exothermic and endothermic reactions. This worksheet has 1 fill in the blank and 4 short answer questions.
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Theoretical Yield and Percent Yield
In this chemical equations instructional activity, students balance chemical equations and then calculate the theoretical yield and percent yield for the reaction. This instructional activity has 4 problems to solve.
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Equilibrium Constant
In this equilibrium constant worksheet, students show the balanced reaction for given reactions. Students write the equilibrium expression for the reactions. Students apply the Le Chatelier's Principle. This worksheet has 37 problems to...
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Superballs
Students mix two different solutions to become more familiar with molecules and polymers. In this chemistry instructional activity, students decide whether or not the reaction between two solutions is chemical or physical. Students then...
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Collisions Drive Reactions
In this reactions worksheet, students determine what must take place in order for a reaction to occur. Students complete 6 short answer questions.
Creative Chemistry
Reactivity Series Questions
For this reactions worksheet, students read about two types of reactions that take place between metals: displacement and competition. Then, they answer two problems.