1.  Why are cycles important in an ecosystem?  How do cycles show the laws of Conservation?

3. Cycles are important to the health of the planet. Many materials cycle throughout ecosystems. They follow the Laws of Conservation…

5.  Why do farmers spray crops with cold water when the weather is expected to dip below freezing?

6.  How does an oasis form in a desert that receives very little rain?

7.  The average person in the United States uses about 78 gallons of water each day! What are some things we could do to reduce this number?

8.  List and describe 4 parts of the water cycle.  Why is the water cycle important in the study of ecology?

9.  Please read “Pass the Salt, Please” and answer the critical thinking questions in your notebook.

11.  What is collecting on the jar?  Why?

12.  Carbon dioxide causes the Earth’s atmosphere to hold in heat. What problem is this creating for the planet?

14.  Create a concept map or word web that describes the 3 cycles important to all ecosystems.