Planet Properties Question Preview (ID: 34620)
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What is a gas giant?
a) a large, red star
b) a cloud in space made of gas and dust
c) a planet that has a deep, massive atmosphere
d) a rock from space that reaches Earth’s surface without burning up
Chase is making a model of the solar system. He is labeling the planets as terrestrial planets and gas giants. Which planet should he label as a gas giant?
a) Earth
b) Mars
c) Uranus
d) Venus
Some planets have rings of ice and rock particles that orbit around their equators. Which of the following planets in the solar system have rings?
a) Saturn only
b) Jupiter and Saturn only
c) Jupiter, Saturn, Uranus, and Neptune only
d) Saturn, Jupiter, Uranus, Neptune and Pluto only
Weight depends on the force of gravity. The greater the gravitational attraction of a planet, the more an object weighs on that planet. On which planet would you weigh less than you would weigh on Earth?
a) Jupiter, which has a surface gravity that is 253% of Earth’s
b) Neptune, which has a surface gravity that is 112% of Earth’s
c) Saturn, which has a surface gravity that is 106% of Earth’s
d) Uranus, which has a surface gravity that is 79% of Earth’s
How does the distance of Earth from the sun compare to the distance of the gas giants from the sun?
a) Earth is much closer to the sun than the gas giants are.
b) Earth is much farther from the sun than the gas giants are.
c) Earth and the gas giants are about the same distance from the sun.
d) Earth is located within the solar system with the sun, and the gas giants are located outside the solar system.
What property of the gas giant plants would account for their having more moons than the number of moons that orbit Earth?
a) Gas giants rotate more rapidly than Earth, so they eject more material that could form natural satellites.
b) Gas giants are less dense than Earth, so they contain less material that could form natural satellites.
c) Gas giants are more massive than Earth and thus have greater gravitational forces, so they could attract more objects
d) Gas giants are farther from the sun than Earth, so there are fewer objects in that part of space to attract into orbits.
The terrestrial planets include Mars, Venus, Earth, and which other planet?
a) Mercury
b) Jupiter
c) Saturn
d) Uranus
What type of surface do the terrestrial planets have?
a) gaseous
b) ice-covered
c) liquid
d) rocky
Why is a year on Mars longer than a year on Earth?
a) Mars is farther from the sun than Earth is
b) Mars has a thinner atmosphere than Earth does.
c) Mars has a greater axial tilt than Earth does.
d) Mars has a longer period of rotation than Earth does.
Mercury’s year is 88 days long. That is about one-fourth as long as a year on Earth. Why is a year on Mercury so short?
a) Mercury’s orbit is elliptical.
b) Mercury’s atmosphere is very thin.
c) Mercury’s rotation speed is very slow.
d) Mercury’s orbit is the shortest in the solar system.
Venus has the highest average surface temperature of any planet in the solar system. Which of the following best describes why Venus is so hot?
a) Venus has a thin atmosphere and solar energy reaches the surface easily.
b) The thick atmosphere of Venus reflects most incoming solar energy back into space.
c) Carbon dioxide in Venus’s atmosphere traps solar energy that reaches Venus’s surface.
d) Energy from within Venus is transferred to the surface.
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