Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Although electromagnetic waves differ in their wavelengths, they all travel at the
speed of light, which is ____. a. | 300,000 km/s | c. | 100 km/s | b. | 6,000
km/h | d. | 10,000
km/s | | | | |
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2.
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In a
____ telescope, light passes through convex lenses. a. | reflecting | c. | refracting | b. | Hubble | d. | shuttle | | | | |
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3.
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Space
stations are ____. a. | satellites | c. | either a or b | b. | space
probes | d. | neither a nor
b | | | | |
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4.
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Optical telescopes include ____. a. | reflecting telescopes and refracting
telescopes | b. | reflecting telescopes only | c. | refracting
telescopes only | d. | radio telescopes only | | |
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5.
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The
arrangement of ____ by wavelength is called the electromagnetic spectrum. a. | physical
energy | c. | mechanical
energy | b. | electromagnetic radiation | d. | electronic energy | | | | |
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6.
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____
telescopes collect and record radio waves given off by some objects in space. a. | Radio | c. | Refracting | b. | Optical | d. | Reflecting | | | | |
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7.
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The
phase of the Moon that immediately precedes the new Moon is the ____. a. | waxing
crescent | c. | waning
crescent | b. | first quarter | d. | third quarter | | | | |
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8.
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A
____ occurs when the Moon moves directly between the Sun and Earth and throws a shadow on
Earth. a. | solar
eclipse | c. | waning
gibbous | b. | lunar eclipse | d. | waxing gibbous | | | | |
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9.
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The
Sun's rays strike Earth at their northernmost and southernmost positions during
____. a. | winter and
summer solstices | c. | lunar
eclipses | b. | spring and fall equinoxes | d. | solar eclipses | | | | |
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10.
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The
yearly orbit of Earth around the Sun is called its ____. a. | rotation | c. | revolution | b. | ellipse | d. | tilt | | | | |
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11.
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Summer occurs on the hemisphere of Earth that is ____. a. | turned away from
the Sun | c. | tilted away from
the Sun | b. | tilted toward the Sun | d. | turned toward the Sun | | | | |
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12.
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Methane absorbs the red and yellow light on ____, while the clouds of these planets
reflect the green and blue light. a. | Venus and Earth | c. | Saturn and Jupiter | b. | Uranus and
Neptune | d. | Neptune and
Venus | | | | |
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13.
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Pluto's orbit sometimes causes this planet to be the ninth, and not the eighth, planet
from the Sun. a. | Uranus | c. | Neptune | b. | Saturn | d. | Jupiter | | | | |
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14.
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____
has colorful clouds in bands of white, red, tan, and brown. a. | Saturn | c. | Jupiter | b. | Uranus | d. | Neptune | | | | |
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15.
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One
of ____ moons is larger than the planets Pluto and Mercury. a. | Neptune's | c. | Uranus's | b. | Pluto's | d. | Saturn's | | | | |
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16.
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In
1543, ____ published his views of Earth and other planets revolving around the Sun. |