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WorksheetsUnit 4 test review
Total questions: 24
Worksheet time: 14mins
Which of the following best describes the solar system?
nine planets and their moons revolving around the sun
nine planets, including the earth, revolving around the moon
ten planets and other objects attracted by gravity to the sun
eight planets, moons, asteroids, and comets revolving around the sun
The asteroid belt in our solar system is located between which two planets?
Neptune and Jupiter
Venus and Mars
Mars and Jupiter
Uranus and Pluto
A small body of ice, rock, and cosmic dust loosely packed together that gives off gas and dust in the form of a tail as it passes close to the sun is
a comet.
an asteroid.
a meteor.
a star.
What is the difference between the inner and outer planets?
inner are rocky and outer are gas
inner are gas and outer are rocky
inner are liquid and outer are gas
inner are icy and outer are gas
.
What unusual characteristic do Jupiter, Saturn, Uranus, and Neptune have that the other planets do not have?
They all have less than two moons.
They all have rings around them.
They are all blue in color.
They all have a red spot.
What causes the planets and moons in our solar system to orbit the Sun?
sunlight
gravity
magnetism
electricity
The gas giants are composed mostly of which gases?
oxygen, nitrogen, and carbon dioxide
hydrogen, helium, and methane
neon, argon, and krypton
chlorine, fluorine, and bromine
The planet that is similar to Earth in that they have about the same size, mass, and density is
Venus.
Mars.
Mercury.
Saturn.
Put these inner planets in order from the nearest to the farthest from the Sun.
Earth, Mars, Mercury, Venus
Mercury, Mars, Earth, Venus
Mercury, Venus, Earth, Mars
Venus, Mars, Earth, Mercury
What group of planets does not have enough gravity to dominate its orbital area?
inner planets
outer planets
dwarf planets
terrestrial planets
.
Which group of planets have the most moons?
inner planets
outer planets
dwarf planets
rogue planets
A[n] ___________ tide occurs when the sun, Earth, and the moon all line up.
spring
neap
zip
detergent
The Nebular Theory is:
A theory on how the Milky Way galaxy was formed
A theory on how the solar system will be destroyed
A theory on how the universe was formed
A theory on how the solar system was formed
What is a nebula?
A cloud of ice
A cloud of dust and gas
A cloud of just gas
A cloud of just dust
What forms in the middle of a spinning nebula?
a planet
a star
a moon
a comet
What term describes how planets are built of smaller chunks of rock that come together under the influence of gravity?
accreted
evaporated
disintegrated
sublimation
Tides on Earth are mostly caused by the pull of gravity of the _________.
Sun
Moon
Earth
Earth's atmosphere
How many low tides are there each day?
one
two
three
four
Which planet has the highest average temperature?
Mercury
Venus
Earth
Jupiter
What do astronomers think that most, if not all, galaxies include?
Milky Way candy bars
Quasar bumps
Black Holes
Death Stars
What keeps the planets in orbit around the sun?
gravity and inertia together
gravity
inertia
neither gravity or inertia
What would happen to Earth if there were no inertia?
Earth would crash into the sun
Earth would fly out to space
Earth would collapse
Earth would orbit the moon
What would happen to Earth if there were no gravity?
Earth would crash into the sun
Earth would fly out to space
Earth would collapse
Earth would orbit the moon
