Galaxies and Gravity
a month ago
hruha_94233
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18 QuestionsShow answers
  • Question 1
    120 seconds
    Q.

    Gravity attracts objects towards one another

    answer choices

    True

    False

  • Question 2
    120 seconds
    Q.

    Where is the sun located in the galaxy?

    answer choices

    at the edge

    within an outer arm

    at the center

    within the center body

  • Question 3
    120 seconds
    Q.

    Gravity is based on an object's _____________.

    answer choices

    roundness

    brightness

    appearance

    mass

  • Question 4
    120 seconds
    Q.

    What evidence supports the sun's location in the galaxy?

    answer choices

    observation of globular clusters

    measurement of brightness in the galaxy

    composition of the stars in the galaxy

    elliptical orbits of planets around the sun

  • Question 5
    120 seconds
    Q.

    What keeps the planets in orbit around the sun?

    answer choices

    stars

    heat

    gravity

    satellites

  • Question 6
    120 seconds
    Q.

    What galaxy are Earth and the solar system located?

    answer choices

    Andromeda galaxy

    Whirlpool galaxy

    Inner Planet galaxy

    Milky Way galaxy

  • Question 7
    120 seconds
    Q.

    Why do the planets in our solar system orbit the sun?

    answer choices

    because the sun is the brightest

    because the sun was there first

    because the sun has the most mass

    because nothing can orbit planets

  • Question 8
    120 seconds
    Q.

    What is true about the dark areas of the night sky?

    answer choices

    Black holes make up the dark areas of the sky

    Objects in the dark areas of the sky are too far to be seen

    There is nothing located in the dark areas of the sky

    Objects in the dark areas are moving too fast to be seen

  • Question 9
    120 seconds
    Q.

    This is the word that describes space and all the matter and energy in it.

    answer choices

    universe

    space

    solar system

    sun

  • Question 10
    120 seconds
    Q.

    Which of the following is the largest?

    answer choices

    cluster

    solar system

    star

    galaxy

  • Question 11
    120 seconds
    Q.

    Gravity is the force objects put on each other because of their ____________.

    answer choices

    speed

    mass

    direction

    location

  • Question 12
    120 seconds
    Q.

    Why is the Earth and other planets spherical?

    answer choices

    erosion from asteroids hitting the surface

    heat from the sun melted the object's surface

    force of gravity is acting evenly in all directions around the center mass

    pressure of the atmosphere acting evenly in all directions

  • Question 13
    120 seconds
    Q.

    What would happen if the mass of one object suddenly increased?

    answer choices

    The mass of the other object would increase

    The distance between the objects would increase

    The gravitational force of the objects would remain constant

    The gravitational force between 2 objects would increase

  • Question 14
    120 seconds
    Q.

    What force keeps the planets held in their orbit?

    answer choices

    gravitational force

    nuclear force

    electrical force

    magnetic force

  • Question 15
    120 seconds
    Q.

    If 2 planets of the same mass are in space and A is closer to the sun while B is farther away from the sun, which one will have a stronger gravitational field/force?

    answer choices

    planet A

    planet B

  • Question 16
    120 seconds
    Q.

    What might happen to a satellite if Earth's gravity suddenly disappeared?

    answer choices

    The satellite would stop moving

    The satellite would fall to Earth

    The satellite would move into space in a straight line

    The satellite would continue to orbit Earth

  • Question 17
    120 seconds
    Q.

    Which of the following choices are true about orbits?

    answer choices

    All objects in space move in perfect, circular orbits

    The size of an object determines the size of its orbit

    The size of both the object and the object it orbits are equal

    The force of gravity is what holds each object in its orbit

  • Question 18
    120 seconds
    Q.

    Which evidence describes how we know where Earth is located in the Milky way galaxy?

    answer choices

    Globular clusters seen from telescopes tell us that our solar system is not near the center of the Milky way, but rather we are located in the outer arm

    Our solar system is located in the center mass of the Milky way galaxy

    Our solar system is located on the inner arm of the galaxy

    Our solar system is not in the Milky Way galaxy

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