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- 1. Multiple Choice
Why a ball falls to the ground?Earth's force of gravity is GREATER than the ball's, so the ball gets attracted to the ground.Earth's force of gravity is LESS than the ball's, so the ball gets attracted to the ground. - 2. Multiple ChoiceWhich has more mass, Earth or the Moon?EarthMoonThe same
- 3. Multiple ChoiceWhy can astronauts jump and float a little on the Moon?Because the Moon's gravity is NOT that STRONG.Because the Moon's gravity is VERY STRONG.
- 4. Multiple ChoiceWhere can you jump higher, on Earth or on the Moon?EarthMoon
- 5. Multiple ChoiceWhere would you have more mass, on Earth or on the Moon?EarthMoonIS THE SAME, mass DOESN'T CHANGEIn both Planets.
- 6. Multiple ChoiceObjects with GREATER mass have a ______ force of gravity.STRONGERNOT TO STRONG
- 7. Multiple ChoiceAs distance between two objects increase the pull of gravityIncreasesDecreasesStays the same
- 8. Multiple ChoiceAny object with mass has gravity.TrueSometimesFalseNever
- 9. Multiple ChoiceA person would weigh less on on the Moon than on the Earth because . . .Moon has more mass, and therefore more gravityMoon has less mass, and therefore more gravityMoon has more mass, and therefore less gravityMoon has less mass and therefore less gravity
- 10. Multiple ChoiceTwo factors effecting the magnitude of the force of gravity between 2 objects are...mass and distancemass and matterdistance and weightweight and mass
- 11. Multiple Choice
An object that orbits the Sun, has a spherical shape, and has mass greater than the mass of other objects near it is a(n)
star
planet
asteroid
comet
- 12. Multiple Choice
What keeps planets in orbit around the Sun?
the Sun's mass
the Sun's period of rotation
the Sun's gravitational force
the Sun's color
- 13. Multiple Choice
The planets in the solar system are so far apart that scientists measure the distances between them in
miles (mi)
kilometers (km)
astronomical units (AU)
inches (in)
- 14. Multiple Choice
All the inner planets
have at least one moon.
have thick atmospheres.
are rocky and have a solid outer layer.
are large.
- 15. Multiple Choice
All the outer planets are made mostly of
water ice.
metal and rock.
gas and liquid around the solid core.
a rocky surface.
- 16. Multiple Choice
Which planet is the solar system's largest?
Jupiter
Saturn
Neptune
Uranus
- 17. Multiple Choice
Which planet has a sideways axis rotation?
Jupiter
Saturn
Uranus
Mercury
- 18. Multiple Choice
Which planet is the hottest?
Mercury
Earth
Jupiter
Venus
- 19. Multiple Choice
The majority of asteroids are found in a belt located between which two planets?
Earth and Mars
Mars and Venus
Mars and Jupiter
Jupiter and Saturn
- 20. Multiple Choice
The force of gravitational attraction between the Sun and Venus could be increased by reducing which of the following?
The distance between the Sun and Venus
the period of rotation of the Sun
The mass of the Sun and Venus
The speed of the orbit of Venus
- 21. Multiple Choice
Which of the following is a complete list of the inner planets?
Venus, Earth, Mars, and Jupiter
Mercury, Venus, Earth, and Mars
Jupiter, Saturn, Uranus, and Neptune
Mercury, Venus, Earth, and Jupiter
- 22. Multiple Choice
Which of the following is a complete list of the inner planets?
Venus, Earth, Mars, and Jupiter
Mercury, Venus, Earth, and Mars
Jupiter, Saturn, Uranus, and Neptune
Mercury, Venus, Earth, and Jupiter
- 23. Multiple Choice
A person on Pluto’s surface would experience a(n) _______ gravitational force compared to on Earth.
weaker, because Pluto is further from the Sun.
weaker, because Pluto has more less than the Earth.
equal, because both planets orbit the Sun.
stronger, because Pluto's surface is closer to its core.
- 24. Multiple Choice
has rings that are the most obvious in appearance
Saturn
Jupiter
Uranus
Neptune
- 25. Multiple Choice
has an atmosphere that protects life
Mercury
Venus
Earth
Mars
- 26. Multiple Choice
As the mass of objects increases, gravity
increases
decreases
stays the same
- 27. Multiple Choice
As the mass of objects decreases, gravity
increases
decreases
stays the same
- 28. Multiple Choice
As the distance between objects decreases, gravity
increases
decreases
stays the same
- 29. Multiple Choice
As the distance between objects increases, gravity
increases
decreases
stays the same
- 30. Multiple Choice
largest planet in the solar system
Neptune
Saturn
Jupiter
Uranus
- 31. Multiple Choice
outermost planet in our solar system
Neptune
Saturn
Jupiter
Uranus
- 32. Multiple Choice
called the "red planet" because of its iron-right soil
Mercury
Venus
Jupiter
Mars
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