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- 1. Multiple Choice
During the process of sublimation
a solid turns directly into a gas
a liquid turns to a gas
a solid turns into a liquid
a gas turns directly into a solid
- 2. Multiple ChoiceThe characteristic temperature at which a pure solid changes to a liquid is its __________ point.meltingboilingSchafferpressure
- 3. Multiple ChoiceThe change from liquid to solid is called ________________.MeltingFreezingEvaporationCondensation
- 4. Multiple Choice
Freezing is a heat ____________ process.
loss
lose
lost
gain
- 5. Multiple Choice
Melting is a heat __________ process.
loss
lose
lost
gain
- 6. Multiple Choice
Melting is a process that changes _____________________________.
solid to liquid
liquid to solid
liquid to gas
gas to liquid
- 7. Multiple Choice
Condensation occurs when _____________ water vapour comes into contact with a cooler surface, loses heat and condenses into water droplets.
warm
warmer
cold
colder
- 8. Multiple Choice
Condensation occurs when warmer water vapour comes into contact with a _______________ surface, loses heat and condenses into water droplets.
warm
warmer
cool
cooler
- 9. Multiple Choice
Condensation occurs when warmer water vapour comes into contact with a cooler surface, _____________ heat and condenses into water droplets.
loses
loss
lost
gains
- 10. Multiple Choice
Solids have a __________ volume and ___________ shape.Definite, DefiniteDefinite, IndefiniteIndefinite, DefiniteIndefinite, Indefinite - 11. Multiple ChoiceLiquids have a __________ volume and ___________ shape.Definite, DefiniteDefinite, IndefiniteIndefinite, DefiniteIndefinite, Indefinite
- 12. Multiple ChoiceGases have a __________ volume and ___________ shape.Definite, DefiniteDefinite, IndefiniteIndefinite, DefiniteIndefinite, Indefinite
- 13. Multiple ChoiceWhat variable is on the x-axis?TimeTemperatureHeatPhases
- 14. Multiple ChoiceWhat variable is on the y-axis?TimeTemperatureHeatPhases
- 15. Multiple ChoiceWhat is the state of the substance at point A?LiquidSolidGasPlasma
- 16. Multiple ChoiceWhat is the state of the substance at point C?LiquidSolidGasPlasma
- 17. Multiple ChoiceWhat is the state of the substance at point E?LiquidSolidGasPlasma
- 18. Multiple ChoiceWhat phase change is happening at point B?VaporizationSublimationCondensationMelting
- 19. Multiple Choice
What phase change is happening at point D?
Evaporation
Sublimation
Freezing
Melting
- 20. Multiple ChoiceThe change from liquid to gas is called ________________.MeltingFreezingEvaporationCondensation
- 21. Multiple ChoiceTaking energy away from a substance will make its particles movemore slowlymore quicklyat the same speed
- 22. Multiple Choice
It rained yesterday, but today there are no puddles left on the ground. What process caused this to happen?
condensation
evaporation
sublimation
deposition
- 23. Multiple Choice
What happens to particles during changes of state between solid and liquid.
Particles move so fast they break from their fixed position.
Particles melt and become a liquid.
Particles find a circular orbit around an atom's nucleus.
Particles stop vibrating and change into their liquid form.
- 24. Multiple Choice
Melting point is a way to identify an unknown material.
True
False
- 25. Open Ended
Use the particle theory to describe what happens to a substance during evaporation.
- Answer choicesTagsAnswer choicesTags