ERS Quiz 8 Review - Energy Question Preview (ID: 16998)


Quiz 8 Review - Energy - Electromagnetic Spectrum - Conduction - Convection - Radiation - Absorption Vs. Re-Radiation - Specific Heat - Greenhouse Effect. TEACHERS: click here for quick copy question ID numbers.

How much energy does 20 grams of water gain when it changes from a solid to a liquid?
a) 6680 Joules
b) 334 Joules
c) 2260 Joules
d) 45200 Joules

Which substance has the lowest specific heat?
a) Lead
b) Iron
c) Granite
d) Water

Why do water surfaces on Earth heat up more slowly than land surfaces?
a) Because water has a higher specific heat than land.
b) Because water has a lower specific heat than land.
c) Because less of Earth's surface is covered by land than by water.
d) Because sunlight can travel farther into water than into land.

Heat transfer occurs when objects have different:
a) temperatures
b) densities
c) pressures
d) specific heats

Which type of heat transfer occurs through contact of molecule to molecule?
a) Conduction
b) Convection
c) Radiation
d) Re-radiation

During which process does heat transfer occur due to differences in temperature and density?
a) Convection
b) Conduction
c) Radiation
d) Re-radiation

Which of the following is considered long-wave radiation?
a) Infrared
b) Ultraviolet
c) Gamma Ray
d) X-Ray

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 from object B to object A.
b) The heat flows from object A to object B.
c) The heat flows between objects A and B to create dynamic equilibrium.
d) All the heat escapes into the air.

What is the purpose of a heat source and heat sink?
a) Source: where the heat comes from; Sink: where the heat goes to
b) Source: where the heat goes to; Sink: where the heat comes from
c) Source: where the temperatures are lower; Sink: where the temperatures are higher
d) Source: where the heat is absorbed; Sink: where the heat is reflected

Which surface reflects the most energy?
a) Light, smooth and shiny
b) Light, rough and dull
c) Dark, rough and dull
d) Dark, smooth and shiny

Which type of electromagnetic energy has the shortest wavelength?
a) x-ray radiation
b) ultraviolet radiation
c) infrared radiation
d) microwave radiation

The Sun's energy is re-radiated off of Earth's surface as:
a) infrared radiation
b) radio waves
c) x-rays
d) ultraviolet radiation

Which surface absorbs the most energy?
a) Dark, rough and dull
b) Dark, smooth and shiny
c) Light, smooth and shiny
d) Light, rough and dull

How does energy travel through space?
a) Electromagnetic waves
b) molecular collisions
c) red shifts
d) nuclear fusion

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

How do greenhouse gases cause global warming?
a) They absorb infrared energy
b) They reflect infrared energy
c) They absorb ultraviolet energy
d) They reflect ultraviolet energy

Insolation is also called:
a) short-wave radiation
b) infrared radiation
c) microwave radiation
d) radio wave radiation

Convection occurs in:
a) liquids and gases, only
b) solids, liquids and gases
c) liquids, only
d) gases, only

Conduction happens most efficiently in:
a) solids
b) liquids
c) gases
d) liquids and gases

Which of the following has a wavelength longer than visible light?
a) infrared energy
b) ultraviolet energy
c) gamma radiation
d) x-ray energy

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