2. Hosted By Ms. Desfossé

3. 100 200 400 300 400 Intro to Chem Chemical Reactions & Compounds 300 200 400 200 100 500 100

4. Row 1, Col 1 The most abundant element in a bacterium. What is Carbon?

5. 1,2

6. 1,3

7. 1,4 In a chemical reaction, the substance(s) that you start with. What are reactants?

8. 2,1 The subatomic particle that is able to absorb energy, get “excited” and “pop” out of the atom. What is the electron?

9. 2,2

10. 2,3

11. 2,4 What gets broken during a chemical reaction What are bonds?

12. 3,1 A food chain is an example of how _________ move through a community. What are Energy and Matter?

13. 3,2

14. 3,3

15. 3,4 When organisms get energy from the environment and use it (by doing chemical rxns). What is metabolism?

16. 4,1 The source of all energy on Earth. What is the sun?

17. 4,2

18. 4,3

19. 4,4 A compound held together by Covalent bonds. What is a molecule?

20. 5,1 The energy classification of the following scenario: An alga absorbs sunlight and uses it to make glucose. -EXOthermic -ENDOthermic -EXERgonic -ENDERgonic What is ENDERgonic? (ENDOthermic is ok, but not the best answer!)

21. 5,2

22. 5,3

23. 5,4 The energy classification of the Following scenario: Your body breaks down the sugar You ate to release the energy. -EXOthermic -ENDOthermic -EXERgonic -ENDERgonic What is EXERgonic? (EXOthermic: ok, but not the BEST answer!)