Students measure the temperature change involved in the production of carbon dioxide by yeast. They also identify products and reactants in a chemical and balance the equation.

In this solubility worksheet, students calculate the final concentrations of the ions involved in a chemical mixture. Students calculate the solubility of different compounds. This worksheet has 13 problems to solve.

In this chemical reactions worksheet, students determine the balanced formula equation, balanced complete ionic equation, and the balanced net ionic equation for given reactions. Students calculate final concentrations for ions in given...

In this molarity worksheet, students are given balanced equations and they are to calculate the mass or volume of reactants and products. Students calculate the theoretical, percentage, and actual yield for chemical equations. This...

Students perform tests on different chemicals to determine their chemical properties. In this forensic science lesson, students identify an unknown sample using its physical and chemical properties. They solve a fictional crime using...

Students explore polymers by designing and preparing an inexpensive and effective reusable ice pack. They develop and test a design for a reusable ice pack in the science lab. Students apply chemical and physical properties of polymers...

Students investigate the properties of sweeteners. In this chemical property lesson, students examine the unique properties of sweeteners by performing several experiments. They will analyze the data to form a conclusion about the...

Students explore environmental safety by participating in a class game. In this toxic chemicals lesson, students discuss the effect chemicals have on our environment and how to best protect against their dangers. Students participate in...

In this stoichiometry worksheet, students calculate the mass of the compound produced from given chemical reactions. This worksheet has 6 problems to solve.

In this stoichiometry worksheet, students calculate the mass of compounds or gases produced from given chemical reactions. This worksheet has 5 problems to solve.

Students analyze the relationship between density, buoyancy, and salinity. In this chemical properties lesson, students read a background activity for the lesson and experiments to the topics. Students discuss the questions and complete...

Students identify the different types of chemical bonds. In this chemistry lesson, students research a procedure on growing crystals in the lab. They perform the experiment and share results with the class.

In this chemical reactions worksheet, students determine the reaction rate for various reactions, write balanced equations, create graphs showing the reaction over time, and calculate the activation energy and potential energy. This...

When life hands you lemons ... experiment on them! Green chemistry gurus compare extraction methods for essential oils through a lab activity. Lab groups use traditional distillation and liquid carbon dioxide extraction...

Don't lift another finger, this physical and environmental science unit has everything you need to begin teaching your class about energy. Starting with a look at the greenhouse effect, these lessons and activities take young scientists...

In this acids and bases worksheet, students review the characteristics of acids and bases, pK values, factors that change the rate of reactions, and catalysts. This worksheet has 17 multiple choice questions.

In this chemical reactions worksheet, students calculate the volume or pressure for different gases. Students determine the effect of different stimuli on the rate of a chemical reaction. This worksheet has 1 short answer, 10 fill in the...

For this chemical equations worksheet, students are given the trends for the reactions between the alkaline earth metals with water, the solubility of the Group II hydroxides and the solubility of the Group II sulphates.

Students discover plant chemical processes through three lab activities. Overheads, data sheets, and teaching procedures provided for the unit covering photosynthesis, respiration, and transpiration.

In this chemical analysis worksheet, learners calculate the empirical formula using a combustion analysis report. Students write balanced chemical equations, total ionic equations, and net ionic equations. This worksheet has 2 problems...

For this chemical compounds worksheet, students write the name of compounds from their chemical formula, balance equations, write electronic configurations for elements, and draw Lewis dot structures. This worksheet has 8 fill in the...

In this chemical reactions worksheet, students calculate the molar mass and the rate of reaction for the given chemical reactions. This worksheet has 3 problems to solve.

For this chemical equations worksheet, students write mass balance equations and charge balance equations. Students write the system of equations to solve for solution concentrations at equilibrium. This worksheet has 21 problems to solve.

Eighth graders participate in several science activities to note chemical or physical changes after discussion. They understand that all matter has definite structure which determines physical and chemical properties.