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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
diffraction
C
reflection
D
absorption
2) When you sit in a room you can hear noises in the hallway because sound is
A
reflected
B
refracted
C
diffracted
D
absorbed
3) Sound is produced when particles of matter
A
chemically react
B
evaporate
C
vibrate
D
change phase
4) Through which material will sound travel the fastest?
A
cold solid
B
hot gas
C
cold gas
D
hot solid
5) Which of the following is true about sound?
A
Sound and light travel through a vacuum.
B
Sound will travel faster in a vacuum.
C
Sound will travel slower in a vacuum.
D
Sound will not travel through a vacuum.
6) The electromagnetic energy that allows us to see objects is
A
visible light
B
x-ray radiation
C
ultraviolet radiation
D
gamma rays
7) A surface reflects 90 percent of the light that hits it. This surface is most likely:
A
dark colored and rough textured
B
dark colored and smooth textured
C
light colored and rough textured
D
light colored and smooth textured
8) Compared to a dull and rough surface, a shiny and smooth surface will most likely cause sunlight to be
A
absorbed
B
reflected
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
reflected
C
absorbed
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
warmer due to reflection
C
cooler due to absorption
D
cooler due to reflection
*select an answer for all questions
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