2. Food Matters – Final

3. $100 $200 $400 $300 $400 VocabularyMoleculesMain IdeasFun Facts $300 $200 $400 $200 $100 $500 $100

4. A substance that is cloudy, light does not go through it; it is scattered. What is an opaque substance?

5. A gaseous molecule that is a product of combustion, a greenhouse gas, and has a concentration of 391 ppm in our atmosphere. What is carbon dioxide?

6. These are the main components of food. What are carbohydrates, proteins, fats and oils and water?

7. Cows can digest this substance (with the help of bacteria) but humans cannot. What is grass (cellulose)?

8. An additive that preserves the moisture content of food. What is a humectant ?

9. This greenhouse gas is emitted from bovines as a product of their digestive processes. What is methane?

10. What are vitamins and essential nutrients ? These substances are added to food to prevent diseases.

11. These food additives can change the perceived flavor of food – yet they have no flavor. What are artificial food colors?

12. This organization ensures the safety of food in the United States. What is the FDA (Food and Drug Administration)?

13. One of the major components of many foods, present in gaseous, liquid and solid forms, ubiquitous, present at 0% to 4% in our atmosphere and essential to life! What is water?

14. What are fertilizers? These chemicals are required in farming to ensure that we can produce enough food to feed the 7 billion people on this planet.

15. This form of carbon is present in the atmosphere. What is carbon dioxide ?

16. The top layer of the regolith that supports the growth of vegetation. What is soil?

17. The building blocks of proteins. What are amino acids?

18. These substances are added to food to increase shelf life by preventing reactions with oxygen. What are antioxidants?

19. This type of energy radiant energy is absorbed by water and is often used to cook food. What are microwaves?

20. The unit of energy used to quantify the energy content of food. What is a calorie?

21. This two carbon molecule is chained together to make a very common plastic. It is also used to ripen bananas! What is ethylene?

22. These are the main two forms of energy. What are potential and kinetic energy?

23. These types of fuel releases carbon dioxide into the atmosphere; freeing carbon that has been sequestered for millions of years. What are fossil fuels?