
HT.2.a State change
Authored by Mike Auer
Chemistry, Physics
7th Grade
NGSS covered
Used 7+ times

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22 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Thermal contraction happens because...
Particles at higher temperature move with more kinetic energy, so they take up more space.
Particles at lower temperature don't move with as much kinetic energy, so they take up more space.
Particles at higher temperature move with less kinetic energy, so they take up less space.
Particles at lower temperature don't move with as much kinetic energy, so they take up less space.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which properties do solids have?
definite shape and volume
no definite shape and a definite volume
no definite shape and no definite volume
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What properties do liquids have?
definite shape and volume
no definite shape and a definite volume
no definite shape and no definite volume
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What properties do gases have?
definite shape and volume
no definite shape and a definite volume
no definite shape and no definite volume
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
A phase change is a chemical reaction.
True
False
Answer explanation
The phase changes, but the substance itself doesn't change! (The melting and vaporization of the wax is not a chemical change, but the "burning" of the wax is a chemical change into smoke)
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which state of matter cannot be compressed? (Select all that apply)
Solid
Liquid
Gas
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
During the process of sublimation...(select all that apply)
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
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