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- 1. Multiple Choice
What model did scientists settle on a few centuries ago?
The heliocentric model
The geocentric model
The flat Earth model
The spherical Earth model
tags8.MS-ESS1-26.MS-PS2-4 - 2. Multiple Choice
What is gravity?
The force of attraction between any two objects
The force that prevents objects from moving in a straight line
The force that holds planets in orbit around the Sun
The force that keeps objects from floating off into space
tags6.MS-PS2-48.MS-ESS1-2 - 3. Multiple Choice
What is mass?
The measurement of the force of gravity on an object
The amount of matter in an object
The push or pull on an object
The location of an object in the solar system
tags6.MS-PS2-4 - 4. Multiple Choice
What factors make the force of gravity stronger?
More mass and closer distance
Less mass and closer distance
More mass and farther distance
Less mass and farther distance
tags6.MS-PS2-4 - 5. Multiple Choice
What is inertia?
The force of attraction between any two objects
The measurement of the force of gravity on an object
The amount of matter in an object
The tendency of an object to stay at rest or in motion
tags6.MS-PS2-4 - 6. Multiple Choice
What does Newton's 1st Law of Motion state?
An object at rest will stay at rest, and an object in motion will stay in motion at a constant speed and direction unless acted on by an outside force
An object at rest will stay at rest, and an object in motion will slow down and eventually stop
An object at rest will start moving, and an object in motion will change its speed and direction
An object at rest will start moving, and an object in motion will stay in motion at a constant speed and direction
tags6.MS-PS2-4 - 7. Multiple Choice
What is the role of gravity in creating an orbit?
Gravity holds the planet in orbit by pulling the planet towards the Sun
Gravity keeps the planet moving at a constant speed
Gravity prevents the planet from floating off into space
Gravity creates a balance with inertia to keep the planet in a constant orbit
tags6.MS-PS2-4 - 8. Multiple Choice
What would happen if all inertia disappeared from our solar system?
Planets would stop moving and stay at rest
Planets would continue moving in a straight line forever
Planets would start moving in random directions
Planets would float off into space
tags6.MS-PS2-4 - 9. Multiple Choice
What would happen if all gravity disappeared from our solar system?
Planets would stop moving and stay at rest
Planets would continue moving in a straight line forever
Planets would start moving in random directions
Planets would float off into space
tags6.MS-PS2-4 - 10. Multiple Choice
Why is it important to have both forces of gravity AND inertia to keep planets in orbit?
Gravity keeps the planet in orbit, while inertia keeps the planet moving at a constant speed
Gravity prevents the planet from floating off into space, while inertia keeps the planet moving in a straight line
Gravity holds the planet in orbit by pulling the planet towards the Sun, while inertia keeps the planet moving at a constant speed
Gravity creates a balance with inertia to keep the planet in a constant orbit
tags6.MS-PS2-4 - Answer choicesTagsAnswer choicesTags