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- 1. Multiple Choice
Phase changes are examples of ... changes
chemical
biological
physical
- 2. Multiple Choice
Physical changes can be reversed by adding or removing energy.
true
false
- 3. Multiple Choice
What is happening at the boiling point?
liquid to gas
solid to liquid
gas to liquid
liquid to solid
- 4. Multiple Choice
This picture shows the particles of ..........
gas
liquid
solid
- 5. Multiple ChoiceWhat is happening at the boiling point?liquid to gasgas to liquidsolid to liquidliquid to solid
- 6. Multiple Choice
The temperature at which a substance changes states from a solid to a liquid
Freezing point
Melting point
Evaporation
Condensation
- 7. Multiple ChoiceWhen a solid reaches the temperatures of its ___, it can become a liquid.melting pointfreezing pointboiling pointdensity
- 8. Multiple ChoiceWhen a liquid reaches the temperatures of its ___, it can become a gas.melting pointfreezing pointboiling pointdensity
- 9. Multiple Choice
The boiling point is the temperature at which a substance changes from a liquid to a gas.
false
true
- 10. Multiple Choice
All substances have the same melting and boiling points
false
true
- 11. Multiple Choice
Which of this can water be turned into
liquid
solid
gas
all of the above
- 12. Multiple ChoiceWhat is the boiling point of water0 C100 F50 C100 C
- 13. Multiple Choice
What is water's freezing point?
100 C
0 C
32 C
5 C
- 14. Multiple Choice
Human body normal temperature is around...
27 0 C
370 C
400 C
- 15. Multiple Choice
mercury at 25oC
solid
liquid
gas
- 16. Multiple Choice
iron at 3000oC
solid
liquid
gas
- 17. Multiple Choice
water at -1oC
solid
liquid
gas
- 18. Multiple Choice
oxygen at 0oC
solid
liquid
gas
- 19. Multiple Choice
water at 110oC
solid
liquid
gas
- 20. Multiple Choice
mercury at -50oC
solid
liquid
gas
- Answer choicesTagsAnswer choicesTags