20 questions
When thermal energy is increased in a solid, what change in state is happening?
Melting
Evaporation
Freezing
Condensation
When thermal energy is decreased in a liquid, what change in state is happening?
Melting
Freezing
Condensation
Evaporation
When thermal energy is increased in a liquid, what change in state is happening?
Melting
Evaporation
Condensation
Freezing
When thermal energy is decreased in a gas, what change in state is happening?
Melting
Freezing
Evaporation
Condensation
When thermal energy is increased in a liquid and evaporation occurs, what state of matter does the liquid change into?
Solid
Gas
When thermal energy is decreased in a liquid and freezing occurs, what state of matter does the liquid change into?
Gas
Solid
What happens to the movement of the particles in a substance when the thermal energy is decreased?
Speed Up
Slow Down
What happens to the movement of the particles in a substance when the thermal energy is increased?
Speed Up
Slow Down
What happens to the arrangement of particles as thermal energy is removed from a substance?
The particles get farther apart.
The particles get closer together.
A substance that has a temperature below its melting point would be in . . .
a gaseous state of matter
a liquid state of matter
a solid state of matter
a plasma state of matter
When water molecules slow down and move closer together ...
the water separates into hydrogen and oxygen.
the water turns into liquid nitrogen.
the water turns into water vapor.
the water turns into ice.
Examine the table. At which temperature would the element radon be a solid?
50 degrees celsius
-50 degrees celsius
-65 degrees celsius
-83 degrees celsius
Examine the image. Which arrow shows the process of condensation?
arrow A
arrow B
arrow C
arrow D
none of the arrow choices
Examine the image. Arrow D shows the process of . . .
melting
deposition
freezing
vaporization
sublimation
Frost forming on leaves on a spring morning is an example of _______________.
sublimation
freezing
melting
deposition