Science 6.1.2 Gravity

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What two things work together to create an orbit?

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Rotation and Revolution

Tilt and Orbit

Gravity and Forward Motion

Tilt and Gravity

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Why does the ball move in an arc after being thrown?

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Gravity pulls straight down

Inertia makes it move in a straight line

Inertia makes it want to move straight, but gravity pulls it down

The movement is physically impossible

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Which object has the most gravity?

1 point

Moon

Jupiter

Sun

Asteroid Belt

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What is another word for revolution?

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Forward Motion

Spin

Rotation

Orbit

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More Mass = More _____

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Momentum

Gravity

Forward Motion

Revolution

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If you weight yourself on Jupiter, you would weigh _____

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less

the same

1/6 as much

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What would happen to the solar system if the sun had no gravity?

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It would remain the same

Planets would be sucked in and swallowed by the sun

Planets would fly off in a straight path

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What has gravity? *

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Pencil

Mars

Anything with mass

What do planets revolve around? *

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Each other

A star or sun

A moon

A galaxy

Jupiter is the largest planet in the solar system. It is approximately 143,000 km at its equator. More that 1,300 earths would fit inside Jupiter. Jupiter has 53 named moons, the largest being Ganymede. Use this image for the next four questions. Which of the two has greater gravitational force? *

1 point

The forces are equal

They have the same initeria

Ganymede

Jupiter

What planet has the most mass and gravity in the solar system?

1 point

Ganymede

The sun

Jupiter

Venus

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If Ganymede actually moved in for a hug, why would it quit orbiting? *

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Gravity depends on distance and mass. If the distance between Jupiter and Ganymede decreased, Jupiter’s gravity would beat Ganymede’s inertia and pull the moon in.

Orbits depend on inertia. If Ganymede slowed down for a hug, Jupiter’s gravity would pull the moon in.

A and B

None of the above

What would happen to Ganymede if Jupiter had no gravity? *

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It would be pulled into the giant planet

It would remain in orbit because of initeria

It would continue to move in a straight line

It would orbit a different planet

Who mathematically described gravity in three laws? *

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Einstein

Tyson

Rawlings

Newton

When will gravity be the strongest?

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When you are closer to an object

When you are furthest from an object

The faster your relative speed is to an object

None of the above

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What is the force of gravity pulling on an object's mass? *

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Acceleration

Speed

Weight

Velocity

The force of gravity on the moon is about *

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twice the force of gravity on earth

one-sixth the force of gravity on earth

one-twentieth the force of gravity on earth

one-third the force of gravity on earth

The strength of the force of gravity depends on *

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the masses of the objects and their speeds

the masses of the objects and the distance between them

the weight of the objects and their speeds

the masses of the objects and their weights

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