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Science Eight Chapter Seven
Test Description: Science 8 chapter 7
Instructions: Answer all questions to get your test result.
1) Which of the following is not an example of matter?
A
heat
B
oxygen
C
water
D
solids
2) What does the kinetic molecular theory explain?
A
how to find out the temperature of solids, liquids, and gases
B
how kinetic energy in solids, liquids, and gases can be measured
C
how particles act when their spacing and movement change
D
how to determine the mass and volume of solids, liquids, and gases
3) What happens to matter when energy is added to it?
A
the particles take up less space
B
the particles decrease in volume
C
the particles move around faster
D
the particles move around slower
4) Which of the following are fluids?
A
liquids only
B
gases and liquids
C
gases only
D
gases, liquids, and gases
5) Why are fluids able to flow?
A
their particles are packed tightly together
B
they do not have a fixed volume
C
they do not have a fixed shape
D
their particles have very little kinetic energy
6) How would you determine the volume of an irregularly shaped rock?
A
determine the density of the object and divide it by its mass
B
put the rock on a scale and measure its mass
C
use a ruler to measure its length, width, and height. Then multiply the dimensions together
D
put the rock in a graduated cylinder filled with water and find out how much water it displaces
7) Density can be measured by
A
dividing volume by mass
B
measuring displacement
C
dividing mass by volume
D
finding out the state of the matter
8) When you add energy to a substance
A
density decreases
B
size decreases
C
density increases
D
weight increases
9) Name the change of state that happens when steam turns into liquid water
A
sublimation
B
condensation
C
solidification
D
evaporation
10) When frost forms on your grass on a winter day, this change of state is known as
A
condensation
B
melting
C
sublimation
D
deposition
*select an answer for all questions
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