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UPCO Chapters 11 & 12 (3)
Test Description: New York State Grade 8 Physics Curriculum Review
Instructions: Answer all questions to get your test result.
1) An echo is an example of
A
refraction
B
absorption
C
reflection
D
diffraction
2) When you sit in a room you can hear noises in the hallway because sound is
A
reflected
B
absorbed
C
diffracted
D
refracted
3) Sound is produced when particles of matter
A
change phase
B
chemically react
C
vibrate
D
evaporate
4) Through which material will sound travel the fastest?
A
cold gas
B
cold solid
C
hot solid
D
hot gas
5) Which of the following is true about sound?
A
Sound and light travel through a vacuum.
B
Sound will travel slower in a vacuum.
C
Sound will travel faster in a vacuum.
D
Sound will not travel through a vacuum.
6) The electromagnetic energy that allows us to see objects is
A
ultraviolet radiation
B
x-ray radiation
C
gamma rays
D
visible light
7) A surface reflects 90 percent of the light that hits it. This surface is most likely:
A
light colored and smooth textured
B
dark colored and smooth textured
C
dark colored and rough textured
D
light colored and rough textured
8) Compared to a dull and rough surface, a shiny and smooth surface will most likely cause sunlight to be
A
reflected
B
absorbed
C
scattered
D
refracted
9) Changing the color of the roof of a house from light to dark would probably increase the amount of solar energy that is
A
refracted
B
absorbed
C
reflected
D
created
10) On a sunny day, changing your shirt from a light color to a dark color would make you feel
A
warmer due to absorption
B
cooler due to absorption
C
cooler due to reflection
D
warmer due to reflection
*select an answer for all questions
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