2. In chemistry, most energy is in the form of: heat and fire

3. Elements can be identified because each type has a unique: weight

4. Which type of change does NOT create a new substance? physical change

5. The ability to do work or cause change is: energy

6. A combination of matter that forms a new substance and cannot be separated again is a: compound

7. Name an example of a physical change. tearing, breaking, melting, reshaping

8. What properties might change when a new compound is formed? both physical and chemical properties: color, taste, size, shape, smell, what it is made of

9. Salt is an example of what type of matter? compound

10. What type of matter is a bowl of Lucky Charms cereal? mixture

11. Which of these pictures is NOT made of CHON? the metal!

12. Name an example of a chemical change. burning, rusting, milk curdling, anything that creates a new compound

13. A combination of matter that can be separated back apart is a: mixture

14. What type of matter is gold? element

15. People, food, animals, and anything that was once alive are made of what elements? CHON-- carbon, hydrogen, oxygen, nitrogen

16. A mailbox rusting is an example of what type of change? chemical

17. Which of the pictures is a compound? the bee! it is made of CHON. Kool-Aid is a mixture.

18. The smallest unit of matter is: an atom

19. A snowman melting is an example of what type of change? physical, because it is still made of water.

20. The material that everything on Earth is made of is called: matter

21. What type of matter is vegetable oil? compound. Made of CHON!

22. The cow being black and white, furry, and having a tail are what type of properties? physical. You can tell without experimenting.

23. chemical. You have to experiment to find this. Salt is made of bleach and metal. It dissolves easily in water. What kind of properties are these?

24. What type of matter is fire? Fire is not matter, it is energy! There are no atoms in it.

25. Anything you can tell without doing an experiment: It is golden brown colored. It is thick and sticky and drips. Name 2 physical properties of honey.

26. Anything you can’t tell without doing an experiment: It is CHON, it is made from bees, it dissolves in tea, etc. Name 2 chemical properties of honey.