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ERS Quiz 8 Review - Energy
Test Description: Quiz 8 Review - Energy - Electromagnetic Spectrum - Conduction - Convection - Radiation - Absorption vs. Re-Radiation - Specific Heat - Greenhouse Effect
Instructions: Answer all questions to get your test result.
1) Which type of electromagnetic energy has the shortest wavelength?
A
infrared radiation
B
x-ray radiation
C
microwave radiation
D
ultraviolet radiation
2) Which surface absorbs the most energy?
A
Dark, smooth and shiny
B
Dark, rough and dull
C
Light, rough and dull
D
Light, smooth and shiny
3) How does energy travel through space?
A
nuclear fusion
B
molecular collisions
C
red shifts
D
Electromagnetic waves
4) The Sun's energy is re-radiated off of Earth's surface as:
A
ultraviolet radiation
B
x-rays
C
radio waves
D
infrared radiation
5) Which surface reflects the most energy?
A
Light, rough and dull
B
Dark, rough and dull
C
Light, smooth and shiny
D
Dark, smooth and shiny
6) What is the purpose of a heat source and heat sink?
A
Source: where the heat goes to; Sink: where the heat comes from
B
Source: where the heat is absorbed; Sink: where the heat is reflected
C
Source: where the heat comes from; Sink: where the heat goes to
D
Source: where the temperatures are lower; Sink: where the temperatures are higher
7) Object A has a temperature of 67 degrees F. Object B has a temperature of 82 degrees F. Which statement is correct if the objects are touching?
A
The heat flows between objects A and B to create dynamic equilibrium.
B
The heat flows from object A to object B.
C
The heat flows from object B to object A.
D
All the heat escapes into the air.
8) Heat transfer occurs when objects have different:
A
pressures
B
specific heats
C
temperatures
D
densities
9) Which type of heat transfer occurs through contact of molecule to molecule?
A
Convection
B
Conduction
C
Re-radiation
D
Radiation
10) During which process does heat transfer occur due to differences in temperature and density?
A
Radiation
B
Re-radiation
C
Conduction
D
Convection
11) Which of the following is considered long-wave radiation?
A
Ultraviolet
B
Infrared
C
Gamma Ray
D
X-Ray
12) Which substance has the lowest specific heat?
A
Lead
B
Granite
C
Water
D
Iron
13) Why do water surfaces on Earth heat up more slowly than land surfaces?
A
Because less of Earth's surface is covered by land than by water.
B
Because water has a lower specific heat than land.
C
Because water has a higher specific heat than land.
D
Because sunlight can travel farther into water than into land.
14) How much energy does 20 grams of water gain when it changes from a solid to a liquid?
A
45200 Joules
B
334 Joules
C
2260 Joules
D
6680 Joules
15) Which material would require the greatest amount of energy to change its temperature 1 degree Celsius per gram?
A
liquid water
B
iron
C
lead
D
ice
16) How do greenhouse gases cause global warming?
A
They absorb infrared energy
B
They reflect infrared energy
C
They reflect ultraviolet energy
D
They absorb ultraviolet energy
17) Insolation is also called:
A
short-wave radiation
B
microwave radiation
C
infrared radiation
D
radio wave radiation
18) Convection occurs in:
A
gases, only
B
liquids and gases, only
C
liquids, only
D
solids, liquids and gases
19) Conduction happens most efficiently in:
A
gases
B
liquids and gases
C
liquids
D
solids
20) Which of the following has a wavelength longer than visible light?
A
ultraviolet energy
B
x-ray energy
C
infrared energy
D
gamma radiation
*select an answer for all questions
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