Answer the following questions about the Rainforests:

1. How are the tropical rainforests?
2. Where are there tropical rainforests?
3. Where is the largest one in the world?
4. Why are very important this kind of forest?
5. Why are humans cutting down rainforests?
6. What kind of things can we do to help save rainforests?
7. Find other important forests all around the world.

ECOSYSTEMS

Unit 4 is about ecosystems. Here, you have some links about this topic.
First, play using this links, later we will study. Enjoy yourself!
http://www.ecokids.ca/pub/eco_info/topics/frogs/chain_reaction/play_chainreaction.cfm

http://www.ecokids.ca/pub/eco_info/topics/landuse/ladybug/index.cfm

http://www.ecokids.ca/pub/eco_info/topics/water/heron/index.cfm

http://www.ecokids.ca/pub/eco_info/topics/water/water/index.cfm