How do we affect the ecosystem, and what can we do to preserve it? Pupils explore chemicals that promote and inhibit plant growth, then discuss the importance of nitrogen and phosphorus to the survival of organisms and describe how...

Water wizards write short answers and fill in the blanks about Earth's surface water and groundwater. They also identify the condition of the soil in a diagram. Use these two worksheets as a reading comprehension assignment if your...

In this fresh water worksheet, students click on the links in the questions about fresh water to find the answers and then come back and answer the questions. Students answer 9 questions total.

In this environmental science learning exercise, students complete a crossword puzzle with 26 questions about human impact on the environment.