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End Of The Year Benchmark Review
Test Description: End of the Year Benchmark Practice
Instructions: Answer all questions to get your test result.
1) Which of the following occurs in an electromagnet?
A
A magnetic field is used to generate an electric current
B
An electric current is used to generate a magnetic field
C
Mechanical energy is converted inot electrical energy
D
Electrical energy is converted into mechanical energy
2) Why is the amount of energy that comes out of a machine always less than the amount of energy that goes into the machine?
A
At least some energy is turned to heat
B
At least some of the energy is destroyed
C
At least some energy is stored as potential energy
D
At least some energy evaporates
3) Why do you see a banana as yellow?
A
The banana absorbs wavelengths for yellow light, reflects wavelenghts for other colors of light.
B
The banana absorbs only yellow wavelengths of light, & the colors of all others are transmitted.
C
The banana absorbs wavelengths for most colors of light, while reflecting yellow light?
D
The banana does not absorb wavelengths for any color of light.
4) Which of these waves requires a medium?
A
sound wave
B
light wave
C
ultraviolet wave
D
infrared wave
5) What do you calculate when you divide distance by time?
A
direction
B
acceleration
C
speed
D
position
6) A roller coaster car has the LEAST kinectic energy when it is
A
three-quarters of the way down the hill
B
halfway down a hill
C
at the top of a hill
D
just reaching the bottom of a hill
7) Part of a chemical reaction is shown as CaO + CO . How many oxygen (O) atoms must be present in a product that forms from the reaction?
A
4
B
3
C
1
D
2
8) What state of matter has a definite shape and volume?
A
solid
B
gas
C
liquid
D
plasma
9) Which of these is an example of velocity?
A
80 s/m
B
20 m/s west
C
50 km/h east
D
16 m/s
10) What is combustibility?
A
the ability to conduct heat
B
the ability to react with acids
C
the ability to burn
D
the ability to dissolve in water.
*select an answer for all questions
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