Phase Changes, Freedom of Movement and Kinetic Energy

Quiz
•
Science
•
7th Grade
•
Hard
+3
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What would be a reason for a phase change to occur in one substance and not another substance even if both substances began at the same phase and were transferred the same amount of energy?
The molecular attraction of one of the substances was weaker than the other substance causing phase change to occur.
The molecular attraction of both substances were the same causing phase change to occur in one of them.
The molecular attraction of one of the substances was stronger than the other substance causing phase change to occur.
Phase change can not occur in one substance and not the other because they both started in the same phase.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-2
NGSS.MS-PS3-4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In order to increase the speed of a substance's molecules, someone must...
transfer energy into the substance.
transfer energy out of the substance.
lower the temperature of the substance.
keep the temperature the same for the substance.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If you have a liquid that changes to a gas, explain it's freedom of movement in both phases.
molecules move away from each other, then around each other
molecules move in place, then around each other
molecules move around each other, then away from each other
molecules move around each other, then in place
Tags
NGSS.MS-PS1-4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If you transfer energy out of a substance how will the movement of the molecules change?
molecules will move faster
molecules will move slower
molecules will stop moving
molecules do not move
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You have two substances at room temperature. Both substances are a liquid. You transfer the same amount of energy out of both substances but only one substance changes phase. What happened?
the substance with the weaker attraction will change to a gas
the substance with the stronger attraction will turn to a solid
the substance with the stronger attraction will turn to a gas
the substance with the weaker attraction will turn to a solid
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What happens to molecules when their kinetic energy increases?
It depends on the molecules
they move faster
they move slower
they stay the same
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which options are correct about molecular attraction and freedom of movement?
High molecular attraction = High freedom of movement
Low molecular attraction = Low freedom of movement
Low molecular attraction = High freedom of movement
These two vocabulary words have nothing to do with each other.
Tags
NGSS.MS-PS1-4
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