In this rain worksheet, students read about how clouds are seeded to produce rain and the substances used for cloud seeding. Then students complete 3 short answer questions.

In this polar molecules worksheet, students complete a graphic organizer by writing in the bond type, electron dot diagram, and the type of compound for the chemical compounds given.

In this chemical reactions learning exercise, students review the law of conservation of mass, the principle of definite proportions, and balancing equations. This learning exercise has 3 problems to solve.

In this matter learning exercise, learners are given 10 sentences with italicized terms that are wrong. Students correct the terms to appropriately fit the sentences. Topics are related to matter such as physical and chemical properties,...

In this nuclear power worksheet, students compare fission and fusion. Students learn about the different kinds of radiation. This worksheet has 2 short answer questions and 10 matching questions.

In this elements worksheet, students classify the given elements according to where they are located in the periodic table. This worksheet has 1 short answer and 4 fill in the blank questions.

In this atoms learning exercise, students explain why the moles is used as a counting unit for atoms and determine the molar mass of given elements. This learning exercise has 3 short answer and 4 fill in the blank questions.

In this reactions learning exercise, students determine the rate expression of the given reaction plus the order of the reaction in each of the reagents. This learning exercise has 3 problems to solve.

Learners explore the fermentation process. In this biology lesson plan, students describe the process of glycolysis and infer the reactants and products of fermentation.

Students explore mixtures and compounds. In this instructional activity, students do an experiment to distinguish between mixtures and compounds. Students complete ten different phases of the experiment testing many different substances....

Students explore the process of chemosynthesis and relate it to the biological communities in cold seeps. In this biochemistry lesson plan students interpret analyses of enzyme activity and draw inferences about organisms in cold seep...

Pupils explore corals and polyps.  In this coral reef lesson students divide into groups and prepare a written report. 

Students describe major features of cold seep communities and list the organisms that are typical in these communities. In this deep sea environment lesson students work in groups and research their given cold seep group. 

In this water in the environment activity, students match 10 terms related to water to their definitions. They identify 10 sentences as true or false related to groundwater, layering and landfills. They fill in the blanks for 2 sentences...

In this writing formulas worksheet, high schoolers are given the names of 92 chemical compounds and they determine the formula for each compound.

In this bonds learning exercise, learners complete a graphic organizer by determining if the compounds given are metals or non-metals and if it has a covalent or ionic bond.

For this plasmasphere worksheet, students determine how long the plasmasphere takes to rotate around the Earth using two satellite images taken three hours apart.

Students study concepts related to paper recycling. In this recycling lesson, they investigate the chemical processes used to recycle paper, and look at the environmental problems associated with using and recycling different types of...

Students discover how paper is recycled. For this recycling lesson, students investigate which types of paper recycle best and are best for the environment.

In this molecular formula worksheet students fill in a table describing elements and chemical formulas. They identify, elements by type and how they bond. The student analyze molecular formulas to identify the number of atoms and if the...

Tenth graders test their saliva for enzyme activity. In this enzyme lesson, 10th graders conduct an experiment to test the enzymatic activity of their saliva. They relate the lack of certain digestive enzymes with alcoholism.

Students test the pH of various solutions. In this pH instructional activity, students use litmus paper to test the pH of household solutions. They compare their results with book charts.

In this sentence completion worksheet, students read ten sentences that have a missing word. Students complete each sentence with the correct word from the list.

In this astronomy test, learners answer 50 true/false and multiple choice questions about the relationships of the earth, moon, and sun. The test also includes questions about the solar system, galaxies, and the universe. An answer key...