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Grade 8 Midterm Review
Test Description: Science Midterm Review
Instructions: Answer all questions to get your test result.
1) If you took all the atoms out of a chair, what would be left?
A
There would be nothing left of the chair
B
Only a pool of liquid would be left on the floor
C
The chair would still be there, but it would weigh less
D
The chair would be exactly the same as it was before
2) How many states of matter can be found on Earth?
A
4
B
2
C
3
D
5
3) Most matter in the universe exists in the:
A
liquid
B
solid
C
none of the above
D
plasma state
4) All matter is made up of particles called:
A
Electrons, protons, and neutrons
B
Electromagnetic particles
C
Atoms and molecules
D
Solids, liquids and gases
5) The temperature of an object is related to the:
A
The speed of particles motion
B
Temperature of the atmosphere
C
Type of matter it is
D
Number of atoms and molecules it has
6) Changing the state of matter is usually a result of:
A
Mixing two different states of matter together
B
Changing the atoms of the matter
C
Changing the temperature or surrounding pressure of a substance
D
You can’t change states of matter
7) Changing matter from a solid to a liquid is called
A
condensation
B
freezing
C
melting
D
boiling
8) What is required to change a solid to a liquid?
A
Freezing
B
Condensation
C
Nothing
D
Energy
9) Which two temperatures are the same?
A
The condensation point and the melting point
B
The evaporation point and the sublimation point
C
The freezing point and the melting point
D
None of the above
10) If a net force is applied in the same direction an object is moving, it will cause the object to:
A
Slow Down
B
Remain constant
C
None of the above
D
Speed Up
*select an answer for all questions
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