1. Quiz Bowl Practice Round
Durham Public Schools
5th Grade Science
Quiz Bowl Practice Round
Matter
2015

2. Matter #1
A. 500 grams, because the cheese does not gain or lose mass just because it was melted.

3. C. The ashes cannot be put back together to create a log again.
Matter #2
C. The ashes cannot be put back together to create a log again.

4. Matter #3
A. Physical

5. D. A new substance is produced
Matter #4
D. A new substance is produced

6. Matter #5
B. 750g

7. Matter #6
D. Condensation

8. Matter #7
A. The weight of the block of wax will equal the total weight of all 20 candles.

9. Matter #8
B. 1 lb

10. D. Water vapor condensed when it touched the cold mirror’s surface.
Matter #9
D. Water vapor condensed when it touched the cold mirror’s surface.

11. D. Convection currents in the water.
Matter #10
D. Convection currents in the water.