Phase Change
Other Sciences
6th - 8th Grade
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21 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
When a substance melts, the kinetic energy _____________.
decreases
stays the same
increases
decreases then increases
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When molecules flow around each other, they are in this phase
solid
liquid
gas
plasma
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The molecules in this picture are in what phase?
solid
liquid
gas
plasma
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If this substance had kinetic energy ADDED, it would be in what phase?
solid
liquid
gas
plasma
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sam had a solid and added energy to it. What did the molecules look like?
The molecules moved in place.
The molecules moved away from each other.
The molecules didn't move.
The molecules moved around each other.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the energy that an object has because it is moving?
kinetic
potential
electric
wind
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What takes place when a liquid changes to a gas?
condensation
melting
evaporation
freezing
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