
Changes of State Changes in Thermal Energy
Authored by Janet Ellisor
Science
7th Grade
NGSS covered
Used 11+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which phrase describes the changes that take place when a gas condenses?
Which phrase describes the changes that take place when a gas condenses?
gain of energy and increased freedom of particle motion
loss of energy and decreased freedom of particle motion
gain of energy and decreased freedom of particle motion
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Frost forms when water vapor changes directly from a gas to ice. If you were to model the water particles before and after this process, how would they compare?
Before the process, the particles vibrate in place; after the process, they slide by each other.
Before the process, the particles slide by each other; after the process, they vibrate in place.
Before the process, the particles vibrate in place; after the process, they move quickly in all directions.
Before the process, the particles move quickly in all directions; after the process, they vibrate in place.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which energy transfer takes place when water freezes to form ice crystals in the atmosphere?
Energy is transferred from the air into the water.
Energy is transferred from the water into the air.
. Energy is transferred from the water into the ground.
Energy is transferred from warmer ice crystals to colder ones.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does thermal energy play a role in particle motion and changes of state?
Thermal energy is a term that refers to temperature
Increasing an object's thermal energy increases particle motion and can cause a change of state.
Decreasing an object's thermal energy increases particle motion and can cause a change of state.
Thermal energy is the energy added from a heat source.
Tags
NGSS.MS-PS1-4
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
When thermal energy is increased in a solid, what change in state is happening?
Melting
Evaporation
Freezing
Condensation
Tags
NGSS.MS-PS1-4
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
When thermal energy is decreased in a liquid, what change in state is happening?
Melting
Freezing
Condensation
Evaporation
Tags
NGSS.MS-PS1-4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Matter will change from one state to another if thermal energy is _______.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
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