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- 1. Multiple Choice
What causes the particles in a substance to move faster and farther apart?
matter
energy
water
- 2. Multiple Choice
... can change phase when enough heat is added or taken away
substances
mass
weight
- 3. Multiple Choice
If you boil water in a pot, some of the water becomes...
water vapor
precipitation
evaporation
- 4. Multiple Choice
Phase changes are examples of ... changes
chemical
biological
physical
- 5. Multiple Choice
Physical changes can be reversed by adding or removing energy.
true
false
- 6. Multiple Choice
Every substance changes phases at the same temperature
true
false
- 7. Multiple Choice
The melting and boiling point of a substance are physical changes.
true
false
- 8. Multiple Choice
The ... is the temperature at which a substance changes from a solid to a liquid.
true
false
- 9. Multiple Choice
The temperature at which a substance melts is different from the temperature of which it freezes, or changes from a liquid to a solid
true
false
- 10. Multiple Choice
The boiling point is the temperature at which a substance changes from a liquid to a gas.
false
true
- 11. Multiple Choice
All substances have the same melting and boiling points
false
true
- 12. Multiple Choice
Water boils at...
100 o C
2000 C
00 C
- 13. Multiple Choice
Human body normal temperature is around...
27 0 C
370 C
400 C
- 14. Multiple Choice
Food in a freezer is usually at
-180 C
180 C
-180 F
- 15. Multiple Choice
Ice melts at ...
00 F
00 C
-00 C
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