No student devices needed. Know more
25 questions
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
Freezing is a heat ____________ process.
loss
lose
lost
gain
Melting is a heat __________ process.
loss
lose
lost
gain
Melting is a process that changes _____________________________.
solid to liquid
liquid to solid
liquid to gas
gas to liquid
Condensation occurs when _____________ water vapour comes into contact with a cooler surface, loses heat and condenses into water droplets.
warm
warmer
cold
colder
Condensation occurs when warmer water vapour comes into contact with a _______________ surface, loses heat and condenses into water droplets.
warm
warmer
cool
cooler
Condensation occurs when warmer water vapour comes into contact with a cooler surface, _____________ heat and condenses into water droplets.
loses
loss
lost
gains
What phase change is happening at point D?
Evaporation
Sublimation
Freezing
Melting
It rained yesterday, but today there are no puddles left on the ground. What process caused this to happen?
condensation
evaporation
sublimation
deposition
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.
Melting point is a way to identify an unknown material.
True
False
Use the particle theory to describe what happens to a substance during evaporation.
Explore all questions with a free account