To survive, we need oxygen in the air we breathe. Oxygen is also essential for most aquatic organisms, but there is much less oxygen available in water than in air. Learn how to measure dissolved oxygen and then see how oxygen...

In this science fair project you will learn about biomes and how different climatic conditions affect plant growth. This can explain why some plants and animals are similar in different areas of the country, and in other parts they are not.

Use this assessment to see what your students have learned about adaptations. This type of assessment allows students to observe and make open-ended claims backed up by evidence. Included are a power point presentation, student quiz, and...

What are the causes and effects of acid rain in our environment? To learn more about this serious environmental issue check out this website. Contains a page with several acid rain activities for students.