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

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

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

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

 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?

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

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

 What is collecting on the jar?  Why?

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

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