Wednesday, April 18, 2012

Chemical or Physical Change Study Guide

Chemical Changes Vs Physical Changes Study Guide

1. What is a physical change?

2. What is a chemical change?

3. What is combustibility?

4. What can cause a physical change?

5. What are four signs that determine a chemical change from a physical change?

6. What are four ways that you can prevent a chemical change?

7. List four physical changes? (don’t use examples listed on this page)

8. List four chemical changes? (don’t use examples listed on this page)

9. If a substance changes color unexpectedly, what has most likely happened?

10. Label each process as a physical or chemical change:

a. fogging a mirror with your breath -
b. breaking a bone -
c. mending a broken bone -
d. burning paper -
e. slicing potatoes for fries -
f. mixing sugar with coffee -
g. frying chicken -
h. a nail rusting -
i. paper ripping -
j. wood burning -
k. mixing water and food coloring -
l. food molding (rotting) -
m. writing on paper -

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