Several factors affect the rate of a chemical reaction including temperature, surface area, and concentration. Using an experimental approach, learners explore the effect concentration has on this rate while maintaining consistency with...

In this rate of solution activity, high schoolers determine how quickly a solute dissolves in a solvent by testing one independent variable such as temperature, particle size or the amount of stirring. Students design their experiments...

In this solutions worksheet, students compare situations that increase or decrease the solubility of a solute. Students describe how surface area, stirring, and temperature can increase the rate of dissolving a solute. This worksheet has...

In this chemistry in action instructional activity, learners read about sulphuric acid, the use of metals, the production of titanium and the detection of chemical elements and compounds. Students are given 8 statements about what...

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

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...

Is sugar more soluble than salt? Experiment with water and solubility with an elementary science activity. After interpreting data from a bar chart, fifth graders use different types of sugar to determine if the size of sugar particles...

In this chemical reactions worksheet, students complete a crossword puzzle by figuring out the vocabulary words associated with 34 clues.

In this equilibrium worksheet, students read about phase equilibrium and dynamic equilibrium. They answer nine questions based on their reading and their background in chemistry.

In this water worksheet, students explore the reasons why water is considered a universal solvent. Students compare different ways to change the dissolving rate of a solute. This worksheet has 11 fill in the blank and 8 matching questions.

Assist your middle school class with one of the most inclusive weathering and erosion labs available. Individuals use sugar cubes and alka-seltzer to demonstrate the process of physical and chemical weathering. They sketch results...

In this physical and chemical change worksheet, learners solve 13 clues in a crossword puzzle focusing on rates of chemical reactions and changes in the state of matter.

In this acids and bases worksheet, high schoolers 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 solubility worksheet, students identify substances as either ionic or molecular, define saturated solution and solubility, and calculate concentration of solutions. This worksheet has 7 short answer, 5 fill in the blank, and 27...

In this solvent instructional activity, students explore why water is considered a universal solvent. Students explore what can change dissolving rates. This instructional activity has 8 matching, 3 short answer, 11 fill in the blank,...

In this health learning exercise, students identify various infectious diseases and explore the available options for stopping or preventing the spread of disease. They participate in a simulation experiment on how to measure and...

Two versions of this handout are provided, the second with more detailed information on the same topics. Chemistry aces survey chemical reactions, heat energy transferred, and the action of enzymes by reading this resource. You can...

In this science vocabulary worksheet, learners match the letter of the science vocabulary word to the number next to its definition. Students match 15 words to 15 definitions.

For this chemical reactions worksheet, students fill in 12 blanks with the appropriate terms related to chemical reactions. They also indicate if 4 statements are true or false and match 7 words with their descriptions. Students complete...

In this solutions worksheet, students review the most commonly used solvent, give examples of an emulsifying agents and alloys, and use solubility curves to answer questions. This worksheet has 11 fill in the blank, 6 short answer, and...

In this equilibrium learning exercise, high schoolers read about the factors that effect equilibrium in solutions such as the pressure of the solution, the temperature and the concentration of the solution. They answer three multi-part...

In this chemical reactions worksheet, learners read about the differences between physical and chemical changes in substances. Then students identify situations as either an example of physical or chemical change. Learners learn how to...

In this chemical and physical change worksheet, students read about the differences between substances going through physical changes vs. chemical changes. They are given examples of each and evidence to look for in chemical changes....

In this volcano worksheet, students answer fourteen questions about the types of volcanoes, the types of magma and the types of lava. They label the parts of a volcano.