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- 1. Multiple Choice
Why is an astronaut in space considered "weightless"?
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.
- 2. Multiple Choice
Which of the following claims is supported by the data above?
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.
- 3. Multiple Choice
Which of the following affects the gravitational force between the Earth and the Sun?
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
- 4. Multiple Choice
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?
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.
- 5. Multiple Choice
The inner planets include:
Venus, Earth, Mars, Jupiter
Mercury, Venus, Earth, Mars
Jupiter, Saturn, Uranus, Neptune
Mercury, Venus, Earth, Jupiter
- 6. Multiple Choice
The _____________ of the sun causes the orbital motion of all the objects in the solar system.
magnetic field
brightness
gravitational pull
chemical composition
- 7. Multiple Choice
Which of the following is responsible for Earth's seasons?
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
- 8. Multiple Choice
Based on the pattern in the data table, predict the period of Mars' orbit.
less than 88 days
between 88 and 224.6 days
greater than 365.2 days
exactly 2x 224.6 days
- 9. Multiple Choice
Using the diagram, when would you observe a totally dark (new) moon beginning to become illuminated (waxing crescent moon)?
from position W to position Z
from position Z to position Y
from position Y to position X
from position X to position W
- 10. Multiple Choice
To accurately model a solar eclipse, where would you place the golf ball?
position W
position X
position Y
position Z
- 11. Multiple Choice
How could you increase the force of gravitational attraction between the Sun and Venus?
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
- 12. Multiple Choice
Which of the following is a true statement?
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.
- 13. Multiple Choice
If you were making a model of the solar system, which object would be the most accurate to use for Saturn?
ping pong ball, 4 cm
soft ball, 12 cm
beach ball, 30 cm
soccer ball, 22 cm
- 14. Multiple Choice
Gravity is responsible for which characteristic of galaxies?
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
- 15. Multiple Choice
Which characteristics distinguish the inner planets from the outer planets?
their size
the material they are made of
their distance from the sun
all of these
- 16. Multiple Choice
Which objects make up the solar system?
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
- 17. Multiple Choice
How could you use these objects to create a model of the lunar cycle?
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.
- 18. Multiple Choice
Which of these planets are outer planets?
Mercury, Jupiter, Saturn, Pluto
Jupiter, Saturn, Uranus, Pluto
Jupiter, Saturn, Uranus, Neptune
Saturn, Uranus, Neptune, Earth
- 19. Multiple Choice
Which of these examples would have the greatest force of gravitational attraction?
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.
- 20. Multiple Choice
What is the difference between asteroids and meteoroids?
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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