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Name: ________________________ Class: ___________________ Date: __________
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Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
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1. A wave travels through a medium because
a. the medium’s particles are carried along with the wave.
b. the wave’s energy passes from particle to particle.
c. the medium transfers electromagnetic energy.
d. the wave increases the potential energy of its medium.
2. Refraction occurs when a wave
a. enters a new medium at an angle.
b. hits a surface through which it cannot pass.
c. moves around a barrier.
d. interferes with another wave.
3. Why do you see lightning from a distant storm before you hear thunder?
a. The thunder is produced after the lightning.
b. Your eyes react faster than your ears.
c. Light travels faster than sound.
d. Sound travels faster than light.
4. The energy associated with motion is called
a. kinetic energy.
b. elastic potential energy.
c. gravitational potential energy.
d. nuclear energy.
5. Kinetic energy increases as
a. mass increases and velocity decreases.
b. mass decreases and velocity increases.
c. both mass and velocity increase.
d. both mass and velocity decrease.
6. An example of something that stores chemical energy is
a. lightning.
b. a microwave.
c. a match.
d. light.
7. Moving water can be used to produce electricity because
a. most forms of energy can be converted into other forms.
b. energy cannot be converted into other forms of energy.
c. potential energy can be converted into kinetic energy, but not vice versa.
d. kinetic energy can be converted into potential energy, but not vice versa.
8. What type of conversion is taking place when natural gas is used to heat water?
a. chemical energy into thermal energy
b. thermal energy into mechanical energy
c. mechanical energy into electromagnetic energy
d. electromagnetic energy into chemical energy
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ID: A
Name: ________________________
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ID: A
9. When you rub your hands together on a cold day, you use friction to convert
a. mechanical energy into thermal energy.
b. thermal energy into nuclear energy.
c. nuclear energy into electrical energy.
d. electrical energy into electromagnetic energy.
10. Which of the following has kinetic energy?
a. a rock poised for a fall
b. an archer’s bow that is drawn back
c. a rolling bowling ball
d. a car waiting at a red light
11. Unlike kinetic energy, potential energy is
a. energy of motion.
b. stored.
c. conserved.
d. not measurable.
12. Potential energy that depends on height is called
a. kinetic energy.
b. gravitational potential energy.
c. elastic potential energy.
d. mechanical energy.
13. Energy stored in the nucleus of an atom is called
a. electromagnetic energy.
b. nuclear energy.
c. mechanical energy.
d. chemical energy.
14. Visible light is an example of
a. chemical energy.
b. electrical energy.
c. electromagnetic energy.
d. nuclear energy.
15. Niagara Falls is a good example of
a. kinetic energy being converted into potential energy.
b. potential energy being converted into kinetic energy.
c. energy being lost.
d. energy being created.
16. The law of conservation of energy states that when one form of energy is converted into another,
a. energy is destroyed in the process.
b. no energy is destroyed in the process.
c. energy is created in the process.
d. some amount of energy cannot be accounted for.
17. The energy associated with the motion and position of an object is
a. kinetic energy.
b. potential energy.
c. gravitational potential energy.
d. mechanical energy.
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Name: ________________________
ID: A
____ 18. A change from one form of energy into another is called
a. gravitational potential energy.
b. work.
c. conservation of energy.
d. an energy transformation.
____ 19. A material that reflects or absorbs any light that strikes it is
a. opaque.
b. transparent.
c. translucent.
d. concave.
____ 20. Frosted glass and wax paper are
a. transparent.
b. translucent.
c. clear.
d. opaque.
____ 21. What happens when parallel rays of light hit a smooth surface?
a. diffuse reflection
b. diffraction
c. refraction
d. regular reflection
____ 22. The bending of light rays as they enter a new medium is called
a. diffuse reflection.
b. regular reflection.
c. refraction.
d. diffraction.
____ 23. The colored ring of muscle that controls the size of the pupil is called the
a. cornea.
b. iris.
c. lens.
d. retina.
____ 24. The signals generated by the rods and cones are carried to your brain by the
a. cornea.
b. pupil.
c. optic nerve.
d. lens.
____ 25. Clear glass, water, and air are examples of what kind of material?
a. opaque
b. fluid
c. translucent
d. transparent
____ 26. Sound is a disturbance that travels through a medium as a
a. longitudinal wave.
b. surface wave.
c. standing wave.
d. transverse wave.
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Name: ________________________
ID: A
____ 27. The amount of energy a sound wave carries per second through a unit area is its
a. loudness.
b. intensity.
c. frequency.
d. pitch.
____ 28. The pitch of a sound that you hear depends on the sound wave’s
a. loudness.
b. frequency.
c. intensity.
d. speed.
____ 29. Which part of your ear sends the message to your brain that you’ve heard a sound?
a. the outermost part of your ear
b. the vibrating eardrum
c. the hammer, anvil, and stirrup located in your middle ear
d. the hairlike structures in the cochlea that are attached to nerve cells
____ 30. Which waves have some electrical properties and some magnetic properties?
a. longitudinal waves
b. transverse waves
c. mechanical waves
d. electromagnetic waves
____ 31. The range of electromagnetic waves placed in a certain order is called the
a. electromagnetic spectrum.
b. electromagnetic wavelength.
c. electromagnetic frequency.
d. electromagnetic field.
____ 32. What is transferred by electromagnetic waves?
a. sound
b. electricity
c. electromagnetic radiation
d. resonance
____ 33. Which electromagnetic waves have the longest wavelengths and lowest frequencies?
a. infrared waves
b. radio waves
c. ultraviolet rays
d. gamma rays
____ 34. Which of the following is true of ultraviolet rays?
a. They are visible.
b. They carry information to televisions and radios.
c. They help your body produce vitamin D.
d. They provide the energy that makes your morning toast.
____ 35. The total energy of all the particles in a substance is called
a. temperature.
b. thermal energy.
c. degrees.
d. mass.
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Name: ________________________
ID: A
____ 36. The movement of thermal energy from a warmer object to a cooler object is called
a. heat.
b. temperature.
c. motion.
d. momentum.
____ 37. Heat is transferred from one particle of matter to another without the movement of matter itself in a process
called
a. conduction.
b. convection.
c. radiation.
d. insulation.
____ 38. A material that does NOT conduct heat well is called a(n)
a. insulator.
b. conductor.
c. metal.
d. radiator.
____ 39. Heated air moves from baseboard heaters to the rest of a room in a process called
a. conduction.
b. convection.
c. radiation.
d. insulation.
____ 40. Which of these is a good conductor?
a. wood
b. paper
c. silver
d. air
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ID: A
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Answer Section
MULTIPLE CHOICE
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O.1.1.1
O.1.3.2
O.1.2.2
M.5.1.2
M.5.1.2
M.5.2.2
M.5.3.1
M.5.3.1
M.5.3.3
M.5.1.2
M.5.1.2
M.5.1.2
M.5.2.2
M.5.2.2
M.5.3.2
M.5.3.3
M.5.2.1
M.5.3.1
O.4.1.1
O.4.1.1
O.4.2.1
O.4.3.1
O.4.4.1
O.4.4.1
O.4.1.1
O.2.1.1
O.2.2.1
O.2.2.2
O.2.4.1
O.3.1.1
O.3.2.2
O.3.1.1
O.3.2.2
O.3.2.2
M.6.1.2
M.6.1.2
M.6.2.1
M.6.2.3
M.6.2.1
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6.3, 6.4
6.5, 1.5.A
6.3.A, 1.6
6, 6.4, 7.2.F
6, 6.4, 7.2.F
6.4, 7.4.C, 7.5
4, 6, 6.4
4, 6, 6.4
4.1.C, 6, 6.4
3.8.C, 7.3, 7.5
3.8.C, 7.3, 7.8
6, 6.4
6, 6.4, 1.6
6, 6.4, 6.7.A
4, 6, 6.4
6, 7.2.C, 7.4.C
3.8.C, 7.3, 7.5
3.8.C, 7.3, 7.5
6.5.A, 6.5.C
6.5.A, 6.5.C
6.5
6.5, 1.6
6.5.D, 1.5.A
6.5.D, 1.5.A
6.5.A, 6.5.C
6.3
6.3.B, 6.3.C, 6.3.D
6.3.B, 6.3.C, 6.3.D
6.3.E, 1.5.B
6.5, 6.4
6.5
6.5, 6.4
6.5
6.5, 1.6
6.2, 1.6.A
6.2, 1.6.A
6.1, 6.4
6.2, 6.6.A, 1.8
6.1, 6.4
ID: A
40. ANS: C
DIF:
L2
OBJ: M.6.2.3
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STO: 6.2, 6.6.A, 1.8