Students investigate growth rates of flowstone formations. They view a virtual field trip and discuss how flowstones form. They observe the cave fieldtrip and predict the growth rate for a cave formation. They graph growth rates and...

Fourth graders identify and examine the components that make up soil. Individually, they use a magnifying glass to identify the organic and inorganic material in their soil sample. To end the lesson, they record the differences in the...

Students brainstorm names of astronauts from NASA space missions. They are explained that the Cold War was not actually a war but pervasive tension that existed between the United States and the Soviet Union for several decades...

In this online interactive tree quiz worksheet, students respond to 6 questions. Students may check their answers for accuracy.

In this online interactive fish quiz worksheet, learners respond to 6 questions about fish. Students may check their answers for accuracy.

Middle schoolers identify and count Macroinvertebrates at a Hydrology website.  In this macroinvertebrates instructional activity students collect, sort and identify Macroinvertebrates.

Students complete a variety of activities to learn about crystals. In this crystals lesson plan, students paint with a crystal solution, pan for crystals, grow crystals, and more.

Students analyze water quality and turbidity of collected samples. In this physics lesson, students conduct tests to identify the suspended particles in the samples. They explain how human activities affect water quality.

In this chemistry activity, students balance each of the reactions presented using the periodic table to help. Then they predict the products of the reactions and write the net ionic equation. Students also write the empirical formulas...

For this ingestion worksheet, 9th graders fill in the blank about ingestion. Students relate the role of saliva, teeth, and the esophagus to their importance in ingestion.

For this biochemistry worksheet, students review amino acids, proteins, lipids, and carbohydrates. This worksheet has 29 multiple choice, 8 fill in the blank, and 3 short answer questions.

In this DNA extraction worksheet, students learn how to extract DNA from various foods. Students complete 2 short answer questions.

In this chemical compounds worksheet, students draw stereorepresentations of compounds. Students convert three-dimensional drawings to a Fischer projection. This worksheet has 8 problems to solve.

In this chemistry worksheet, high schoolers determine the pH of a buffer solution to several problems given. Students write a balanced ionic equation for several aqueous solutions.

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...

In this chemical compounds worksheet, students calculate moles, molar concentration, and volume of given compounds. Students balance equations, give the formula and charge of polyatomic ions, and draw Lewis electron dot structures. This...

In this stoichiometry worksheet, students determine the concentration of solutions and calculate the molarity of solutions for given chemical equations. This worksheet has 4 problems to solve.

In this chemical reactions worksheet, students review the solubility rules for common salts. Students determine the molecular equation, ionic equation, and net ionic equation for specific reactions. Students calculate moles and volume...

In this entropy instructional activity, students review the Second Law of Thermodynamics and explore how entropy changes. This instructional activity has 5 word problems.

In this stoichiometry instructional activity, students determine the limiting reagents and the mass of compound precipitated in given chemical reactions. This instructional activity has 4 problems to solve.

In this air worksheet, students name gases found in the air, what gases are removed from the air during different processes, and determine what happens to air if there are changes in pressure, volume, or temperature. This worksheet has 1...

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 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 compounds worksheet, students determine is compounds will act as acids or bases when added to water. Students compare basic, acidic, and amphoteric anhydrides. This worksheet has 15 fill in the blank, 2 short answer...