1. What is the name of the world’s largest reef system?

2. Do male or female mosquitoes bite people?

3. True or false? Earth Day is held on June 18.

4. What state of the USA is the 
Grand Canyon located in?

5. True or false? The Dead Sea is 8.6 times more salty than the ocean

6. What are the 3 R’s of recycling?

7. True or false? The horn of a rhinoceros is made from bone.

8. What famous islands west of Ecuador were extensively studied by Charles Darwin?

9. Ayers Rock in Australia is also know as what?

10. True or false? Burning or logging naturally occurring forests is known as deforestation.