What's the difference between the digestive system and the endocrine system? Explore 12 body systems in this anatomy matching worksheet, for which learners find descriptions corresponding to anatomical terminology. Some of the...

Radioactive decay, pH, properties of elements, organic compounds, and stoichiometry are all touched upon through this practice chemistry exam. It always helps learners to take a practice test in preparation for the actual exam. This...

In this chemical reactions worksheet, students answer 20 multiple choice questions about chemical equations, chemical formulas, oxidation and reduction reactions and acids, bases and salts.

In this chemical equations worksheet, students balance equations. This worksheet has 22 chemical equations to write out and balance.

Students collect weed seeds from three varieties of weeds (knapweed, thistle, or toadflax, for example they may choose others in addition to the spotted knapweed.) They sterilize soil for thirty containers, plant seeds in sterile soil,...

In this compounds worksheet, students practice writing ion notation and making ionic compounds. Students make covalent bonds. This worksheet has 10 fill in the blank and 18 problems to solve.

In this acid and base worksheet, learners fill in a table that gives the molecular name or formula of a compound. They must determine what type of acid or base it is and what the symbol used in the chemical calculations will be.

In this naming and covalent compounds learning exercise, students answer 6 questions about ion notation, they make 6 ionic compounds, they make 6 covalent compounds and they name 10 compounds which are ionic, covalent or polyatomic.

Learners understand the dynamics of acid rain and its impact on the living and non-living environment. They hypothesize how acid rain affects water pH levels in two lake systems with differing watershed features.

In this chemicals worksheet, students answer 15 multiple choice questions about chemicals, compounds, inorganic and organic molecules.

Students identify substances that are acids and alkalis. In this acids and alkalis lesson, students conduct tests to determine if given substances are acids or alkalis. They test substances and explain the different qualities that make...

In this chemistry review worksheet, students answer and solve 95 questions about chemical reactions, hydrocarbons, functional groups, moles, acids and bases and solutions.

In this ionic equations activity, learners are given 20 equations to complete. They are to write the net ionic equation and indicate if a precipitate or gas is formed. In addition they are to determine if 11 compounds are acids or bases...

Students combine different materials to create chemical reactions. In this chemical reaction lesson plan, students will combine different materials to create chemical reactions and define these results as acids or bases. They will also...

In this atomic structure worksheet, students answer eleven short answer questions about the structure of atoms including the number of protons, neutrons and electrons. Students indicate the differences in isotopes of atoms and what the...

Seventh graders explore how milk spoils over time. In this biology lesson plan, 7th graders discover how pH changes as microorganisms enter the food and multiply. They explain the benefits of pasteurization process.

For this pH activity, high schoolers determine how indicators work and what the pH scale is used for. Learners learn what happens when non-metals burn in air and metal oxides dissolve in water. This activity has 10 problems to solve.

Students study acidic and alkaline balance. For this acid and pH levels lesson, students read information about pH, the formation of acid rain and its impact on environments. Students then complete an experiment to learn about the...

In this reactions worksheet, students write the formula for each reactant and product and then balance the equation. Students have 23 problems to solve.

For this chemistry review worksheet, learners explore their knowledge of solutions, acid and bases, nuclear reactions, and radioactive decay as they answer 33 matching, fill in the blank, and short answer questions.

Students research chemical formulas and balance chemical equations.  In this chemical equations instructional activity students complete a class activity on chemical equations and answer questions.

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.

In this acid and base worksheet, students fill in a table with the type of acid or base and the symbol used in calculations. Types of acids and bases identified include strong acids, weak acids, strong bases, weak bases, Lewis acids, or...

Students explore chemical solutions. In this chemistry lesson, students investigate the relationship between three related experiments about solutions. Students determine variables that affect the chemical concentration of each solution.