1. Mrs. Miller - 2009

2. freeze, melt, or evaporate

3. When a substance changes in one of these 3 ways, it has made a physical change.

4. chemical changes

5. What type of changes occur when one or more substances are changed to form a new substance.

6. evaporate

7. When a liquid disappears into a vapor, it is said to _____.

8. A new substance is formed

9. What happens during a chemical change.

10. It has turned orange

11. A shovel has been left outdoors and has rusted. What evidence shows a chemical reaction has taken place?

12. Solid

13. This is a substance that has a definite volume and holds its own shape.

14. Liquid

15. This is matter that takes the shape of its container because it has a definite volume but no definite shape.

16. Matter is neither created or destroyed

17. Matter may undergo changes, but find a statement about matter that is always true. Matter is neither created or destroyed

18. reactants

19. Two or more substances that are put together to make something.

20. Gas

21. A ______ has no definite shape or volume.

22. physical changes

23. Changes in matter that change form but not identity are call ___.

24. A new substance is not formed

25. When two substances are put together, but they keep their own identities, what type of substance forms?

26. dissolved

27. If one substance disappears into another substance when they are mixed, it is said that they are ______.

28. heat

29. Energy that is being given off or absorbed is called _____.

30. It will hold its shape

31. How do you know when something is a solid?

32. reaction

33. Another name for a chemical change is a chemical _______.

34. matter

35. This has mass and volume.

36. substances

37. What things are made of.

38. weight

39. The pull of gravity on matter is called _______.

40. Physical properties

41. Changes in size, shape, odor, and hardness are examples of these.