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Matter Test Review 2
Test Description: Review of 7th grade Utah Standards relating to matter.
Instructions: Answer all questions to get your test result.
1) Why is it easier to float on the Great Salt Lake than on a fresh water lake? Your body is
A
warmer than the lake water
B
the same density as the lake water
C
more dense than the lake water
D
less dense than the lake water
2) Which is the correct formula for density?
A
Mass divided by volume
B
Volume times mass
C
Volume divided by mass
D
Mass times weight
3) If the mass of a cube were 48 g and the volume is 24 cm3, what would its density be?
A
.5 g/cm3
B
2 g/cm3
C
6 g/cm3
D
4 g/cm3
4) One example of a physical change is
A
Heating table sugar
B
burning paper
C
baking cookies
D
Dissolving salt in water
5) One example of a chemical change is
A
distilling salt from water
B
boiling water
C
Burning wood
D
crushing a can
6) All of the following may indicate a chemical change EXCEPT:
A
Heat
B
A change in state
C
Production of gas bubbles
D
Light
7) Which of the following states of matter has a definite volume and a definite shape?
A
Solid
B
Plasma
C
LIquid
D
Gas
8) Which of the following states of matter has a definite volume but no definite shape?
A
Solid
B
Gas
C
Liquid
D
Plasma
9) Which state of matter has no definite volume and no definite shape?
A
Plasma
B
Gas
C
Liquid
D
Solid
10) What happens to the molecules of a substance as heat is added?
A
The atoms split to form new substances
B
They compact and move less
C
Their motion does not change
D
They speed up and move more freely
*select an answer for all questions
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