Gravity

What scientist is credited with first describing the mathematics of gravity?

• Albert Einstein

• Galileo Galilei

• Isaac Newton

• Charles Darwin

What do we call the force of gravity on an object?

• Mass

• Friction

• Acceleration

• Weight

Tags

NGSS.MS-PS2-4

True or False: How much we weigh on Earth is a direct result of the force of the Earth's gravity.

• True

• False

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NGSS.HS-PS2-4

Gravity on the Moon is the gravity on Earth.

• More than.

• Colder than

• Faster than

• Less than.

Why do astronauts feel weightless in space?

• Because there is no gravity in space.

• Because the gravity in space is much less than on Earth.

• Because they are in a constant state of free fall around the Earth.

• Because their mass decreases in space.

Which of the following has gravity?

• The sun

• A Building

• A Mountain

• All of the Above

Tags

NGSS.MS-PS2-4

If you were to weigh yourself on the Moon, how would your weight compare to your weight on Earth?

• It would be the same.

• It would be more.

• It would be less.

• You would be weightless.

Tags

NGSS.MS-PS2-4

What keeps you on Earth?

• Gravity

• Inertia

• Friction

• Magnetism

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NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What would happen to your weight if Earth's gravity were suddenly to double?

• Your weight would stay the same.

• Your weight would double.

• Your weight would halve.

• Your weight would quadruple.

Tags

NGSS.MS-PS2-4

The force holding our galaxy together.

• Quantum Physics

• Gravity

• Inertia

• Sun

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4