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WorksheetsACA Earth Science Unit 5 Astronomy 1 Exam Review
Total questions: 24
Worksheet time: 48mins
The apparent westward movement of a planet against the background of stars is called ____.
rotation
revolution
universal gravitation
retrograde motion
According to the third law of planetary motion, the period of revolution of a planet is related to the planet’s
distance to the sun
gravitational attraction
size
orbital speed
The moon is closest to Earth at ____
apogee
perihelion
perigee
aphelion
What must happen for a solar eclipse to occur?
The moon must pass behind Earth.
The moon’s orbit must not cross Earth’s penumbra.
The moon must be full.
The moon’s orbit must cross the plane of the ecliptic
The most obvious difference between terrestrial planets and Jovian planets is ____
length of day
Size
Color
orbital velocity
Olympus Mons, a volcano the size of Ohio, is found on
Mars
Earth
Saturn
Mercury
The lowest surface temperature yet measured on any body in the solar system (–200°C) occurs on
Titan
Pluto
Triton
Neptune
A comet’s tail always points
Downward
Sideways
Away from the sun
Toward the sun
The small particles that produce a streak of light upon entering Earth’s atmosphere are called
satellites
comets
asteroids
Meteors
Which is not a reason for Pluto to be re-classified as a dwarf planet
Size
Shape
Distance to the Sun
Ability to clear path of orbit
True or False, Meteoroids burn up when they enter the atmosphere.
True
False
According to the nebular theory, the solar system formed from________
The sun emitting helium to form matter
As a black hole brought the elements and particles together
a rotating cloud of dust and gas flattened and eventually the sun formed.
existing planets breaking up and forming new ones
The astronomical unit (AU), a distance of about 150,000,000 km is based on
A. The distance Earth travels each year
A. The distance between Earth and the sun
A. The distance between Earth and the moon
A. The distance the moon travels around the Earth
Galileo discovered all of the following except
A. Sunspots on the sun
A. Venus has phases
A. Four of Jupiter’s moons
A. The moon’s surface was smooth
The scientist to formulate and test the law of universal gravitation was
A. Aristotle
Newton
A. Brahe
A. Kepler
Kepler is noted for
Discovering that the paths of planets around the sun are ellipses
Proposing a model of the solar system with the sun at the center
Making precise measurements of Mars
Discovering that the planets were circular disks
Water, ammonia, and methane are the major components of
Gases
Rocks
Ices
the sun
Silicate minerals and metallic iron are substances that make up
gases
Rocks
Ices
the Sun
The inner planets include the
terrestrial planets
jovian planets
dwarf planets
gaseous planets
Very thick atmospheres can be found with the
A. terrestrial planets
A. jovian planets
A. dwarf planets
A. moons
The planets formed from
A. the flattened center part of a rotating disk of dust and gases
A. colliding bits of matter that stuck together
A. comets that are captured by the sun
A. the explosion that caused the big bang.
The smallest planet circling the sun is
Jupiter
Earth
Mercury
Mars
Waning is a phase change that occurs going from
A. New moon to first quarter
A. Full moon to third quarter
A. New moon to full moon
A. First quarter to full moon
The most massive planet is
Jupiter
Saturn
Uranus
Neptune
