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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
microwave radiation
B
ultraviolet radiation
C
infrared radiation
D
x-ray radiation
2) Which surface absorbs the most energy?
A
Dark, rough and dull
B
Light, rough and dull
C
Dark, smooth and shiny
D
Light, smooth and shiny
3) How does energy travel through space?
A
Electromagnetic waves
B
red shifts
C
molecular collisions
D
nuclear fusion
4) The Sun's energy is re-radiated off of Earth's surface as:
A
radio waves
B
ultraviolet radiation
C
infrared radiation
D
x-rays
5) Which surface reflects the most energy?
A
Light, smooth and shiny
B
Dark, rough and dull
C
Light, rough and dull
D
Dark, smooth and shiny
6) What is the purpose of a heat source and heat sink?
A
Source: where the heat is absorbed; Sink: where the heat is reflected
B
Source: where the temperatures are lower; Sink: where the temperatures are higher
C
Source: where the heat goes to; Sink: where the heat comes from
D
Source: where the heat comes from; Sink: where the heat goes to
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
All the heat escapes into the air.
B
The heat flows from object A to object B.
C
The heat flows between objects A and B to create dynamic equilibrium.
D
The heat flows from object B to object A.
8) Heat transfer occurs when objects have different:
A
densities
B
pressures
C
specific heats
D
temperatures
9) Which type of heat transfer occurs through contact of molecule to molecule?
A
Conduction
B
Re-radiation
C
Convection
D
Radiation
10) During which process does heat transfer occur due to differences in temperature and density?
A
Conduction
B
Convection
C
Re-radiation
D
Radiation
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
Granite
B
Lead
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 higher specific heat than land.
C
Because sunlight can travel farther into water than into land.
D
Because water has a lower specific heat than land.
14) How much energy does 20 grams of water gain when it changes from a solid to a liquid?
A
6680 Joules
B
2260 Joules
C
45200 Joules
D
334 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 reflect infrared energy
B
They absorb ultraviolet energy
C
They reflect ultraviolet energy
D
They absorb infrared energy
17) Insolation is also called:
A
radio wave radiation
B
infrared radiation
C
microwave radiation
D
short-wave radiation
18) Convection occurs in:
A
liquids and gases, only
B
solids, liquids and gases
C
gases, only
D
liquids, only
19) Conduction happens most efficiently in:
A
gases
B
liquids
C
liquids and gases
D
solids
20) Which of the following has a wavelength longer than visible light?
A
infrared energy
B
gamma radiation
C
ultraviolet energy
D
x-ray energy
*select an answer for all questions
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