What are the differences between coniferous and deciduous trees? Supplement your tree lessons with a set of activities that has learners describing, naming, comparing, and reading about deciduous and coniferous trees. The activities are...

In this river ecosystem worksheet, students complete a graphic organizer by writing in what the various organisms lists contribute and benefit in this river ecosystem.

In this gasses worksheet, students write information about hydrogen, oxygen, natural gas, helium, anesthetic gas, and carbon dioxide in pictures of clouds.

In this student exploration-pond ecosystem worksheet, students use the Pond Ecosystem Gizmo to measure oxygen concentrations and temperature and record the data on charts.

For this chemical reactions worksheet, students review the oxidation number rules and then assign oxidation numbers to atoms in given compounds. Students identify the reducing agent and the oxidizing agent in reactions. Students practice...

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.