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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
water
B
oxygen
C
solids
D
heat
2) What does the kinetic molecular theory explain?
A
how particles act when their spacing and movement change
B
how kinetic energy in solids, liquids, and gases can be measured
C
how to find out the temperature of solids, liquids, and gases
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 move around slower
C
the particles decrease in volume
D
the particles move around faster
4) Which of the following are fluids?
A
gases only
B
gases, liquids, and gases
C
gases and liquids
D
liquids only
5) Why are fluids able to flow?
A
they do not have a fixed volume
B
they do not have a fixed shape
C
their particles are packed tightly together
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 in a graduated cylinder filled with water and find out how much water it displaces
C
put the rock on a scale and measure its mass
D
use a ruler to measure its length, width, and height. Then multiply the dimensions together
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
size decreases
B
weight increases
C
density increases
D
density decreases
9) Name the change of state that happens when steam turns into liquid water
A
sublimation
B
solidification
C
evaporation
D
condensation
10) When frost forms on your grass on a winter day, this change of state is known as
A
melting
B
deposition
C
condensation
D
sublimation
*select an answer for all questions
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