Space Science
19 hours ago
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20 QuestionsShow answers
  • Question 1
    30 seconds
    Q.

    Why is an astronaut in space considered "weightless"?

    answer choices

    Their mass is so small compared to the Earth that gravity doesn't affect them.

    Gravitational force decreases over long distances.

    Gravitational force pushes objects away from each other at long distances

    Objects far from Earth have less mass.

  • Question 2
    30 seconds
    Q.

    Which of the following claims is supported by the data above?

    answer choices

    Gravitational force is not affected by mass.

    Gravitational forces are strongest between objects with the same mass.

    Gravitational forces are related to the mass of objects.

    Gravitational forces are weaker when one object has more mass than the other.

  • Question 3
    30 seconds
    Q.

    Which of the following affects the gravitational force between the Earth and the Sun?

    answer choices

    the Earth's mass

    the Sun's mass

    the distance between the Earth and Sun

    the mass of the objects and the distance between them

  • Question 4
    30 seconds
    Q.

    If you were using a baseball, golf ball, and basketball to model the relative motions of the Earth, Moon, and Sun, what would you have to do?

    answer choices

    Move the golf ball around the basketball and the basketball around the baseball.

    Move the basketball around the baseball and the baseball around the basketball.

    Move the golf ball around the baseball and the baseball around the basketball.

    Move the baseball around the golf ball and the golf ball around the basketball.

  • Question 5
    30 seconds
    Q.

    The inner planets include:

    answer choices

    Venus, Earth, Mars, Jupiter

    Mercury, Venus, Earth, Mars

    Jupiter, Saturn, Uranus, Neptune

    Mercury, Venus, Earth, Jupiter

  • Question 6
    30 seconds
    Q.

    The _____________ of the sun causes the orbital motion of all the objects in the solar system.

    answer choices

    magnetic field

    brightness

    gravitational pull

    chemical composition

  • Question 7
    30 seconds
    Q.

    Which of the following is responsible for Earth's seasons?

    answer choices

    the orbit of the Earth around the Sun and Earth's rotation

    the orbit of the Earth around the Sun and rotation of the Sun

    the rotation of the Earth and the Sun

    the tilt of Earth's axis and its orbit around the Sun

  • Question 8
    30 seconds
    Q.

    Based on the pattern in the data table, predict the period of Mars' orbit.

    answer choices

    less than 88 days

    between 88 and 224.6 days

    greater than 365.2 days

    exactly 2x 224.6 days

  • Question 9
    30 seconds
    Q.

    Using the diagram, when would you observe a totally dark (new) moon beginning to become illuminated (waxing crescent moon)?

    answer choices

    from position W to position Z

    from position Z to position Y

    from position Y to position X

    from position X to position W

  • Question 10
    30 seconds
    Q.

    To accurately model a solar eclipse, where would you place the golf ball?

    answer choices

    position W

    position X

    position Y

    position Z

  • Question 11
    30 seconds
    Q.

    How could you increase the force of gravitational attraction between the Sun and Venus?

    answer choices

    reduce the distance between them

    reduce the period of rotation of the Sun

    reduce the mass of both of them

    reduce the speed of the orbit of Venus

  • Question 12
    30 seconds
    Q.

    Which of the following is a true statement?

    answer choices

    The Sun is the center of the Milky Way Galaxy.

    Our solar system is near the center of the Milky Way Galaxy.

    The Sun is the center of the solar system.

    The galactic center is the center of our solar system.

  • Question 13
    30 seconds
    Q.

    If you were making a model of the solar system, which object would be the most accurate to use for Saturn?

    answer choices

    ping pong ball, 4 cm

    soft ball, 12 cm

    beach ball, 30 cm

    soccer ball, 22 cm

  • Question 14
    30 seconds
    Q.

    Gravity is responsible for which characteristic of galaxies?

    answer choices

    the size of its stars

    its location within the universe

    the motion of the objects within it

    the color of the light it gives off

  • Question 15
    30 seconds
    Q.

    Which characteristics distinguish the inner planets from the outer planets?

    answer choices

    their size

    the material they are made of

    their distance from the sun

    all of these

  • Question 16
    30 seconds
    Q.

    Which objects make up the solar system?

    answer choices

    a sun, 8 planets, moons, asteroids, meteoroids, comets

    stars, planets, a moon, an asteroid, meteoroids, comets

    a sun, a planet, a moon, asteroids, meteoroids, comets

    stars, planets, moons, an asteroid, a meteoroid, a comet

  • Question 17
    30 seconds
    Q.

    How could you use these objects to create a model of the lunar cycle?

    answer choices

    Move the flashlight around the tennis ball and basketball.

    Put the flashlight in the center and move the basketball around the tennis ball.

    Move the tennis ball and flashlight around the basketball.

    Put the flashlight in the center and move the tennis ball around the basketball.

  • Question 18
    30 seconds
    Q.

    Which of these planets are outer planets?

    answer choices

    Mercury, Jupiter, Saturn, Pluto

    Jupiter, Saturn, Uranus, Pluto

    Jupiter, Saturn, Uranus, Neptune

    Saturn, Uranus, Neptune, Earth

  • Question 19
    30 seconds
    Q.

    Which of these examples would have the greatest force of gravitational attraction?

    answer choices

    Example 1 would have a large gravitational force because their masses are larger and they are further apart.

    Example 2 would have a large gravitational force because their masses are larger and they are closer together.

    Example 3 would have a large gravitational force because their masses are smaller and they are further apart.

    Example 4 would have a large gravitational force because their masses are smaller and they are closer together.

  • Question 20
    30 seconds
    Q.

    What is the difference between asteroids and meteoroids?

    answer choices

    Asteroids are larger and usually contained in the asteroid belt, while meteoroids travel throughout the solar system.

    Asteroids are smaller and usually contained in the asteroid belt, while meteoroids travel throughout the solar system.

    Meteoroids are smaller and usually contained in the meteor belt, while asteroids travel throughout the solar system.

    Meteoroids are larger and usually contained in the meteor belt, while asteroids travel throughout the solar system.

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