AnswersPhysical ScienceThermal Energy and Heat

Practice Test Answers

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1
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Which labels should replace the X and Y?

A
X: Large mass Y: Small mass
B
X: Earth Y: Sun
C
X: Hot Y: Cold
D
X: Matter Y: Empty space
2
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Which material would result in the least amount of energy transfer?

A
An absorber that is light in color and rough.
B
An absorber that is dark in color and rough.
C
A reflector that is dark in color and smooth.
D
A reflector that is light in color and smooth.
4

Which shows the temperatures of three substances, in order, from greatest to least?

A
water vapor, ice, water
B
water vapor, water, ice
C
ice, water, water vapor
D
water, water vapor, ice
5

Which condition must be met for conduction to occur?

A
particles must be in contact
B
particles must be large
C
particles must be small
D
particles must be spread apart
6

Which shows the formula for converting from kelvins to degrees Celsius?

A
degree cap c is equal to cap k minus 273
B
degree cap c is equal to open paren 9 fifths times cap k close paren plus 32
C
degree cap c is equal to cap k plus 273
D
degree cap c is equal to 5 ninths times open paren cap k minus 32 close paren
8

At night, the land cools quickly and the ocean is now warmer than the land. What will happen next?

A
Winds will increase as the two convection currents overlap.
B
The convection current will move seaward, reversing the winds.
C
The convection current will reverse direction, reversing the winds.
D
Winds will stop blowing as the convection current ceases to flow.

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