Gravity and Orbits Pre-Lab

Which statement about gravity is true?

• Astronauts float because gravity does not exist in space.

• Gravity is a universal force of attraction that exists between all objects.

• Planets further away from the Sun always have less gravity.

• Gravity is a pushing and pulling force.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What states that "a pulling force exists between all matter everywhere in the universe?"

• Newton's Law of Universal Gravitation

• Newton's First Law of Motion

• Inertia

• Kepler's Laws of Planetary Motion

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

The amount of matter in an object is its

• Orbit

• Weight

• Gravity

• Mass

Newton's law of universal gravitation states that ______ and _______ are the two variables that affect the strength of the gravitational pull between two objects.

• Mass and Distance

• Distance and Weight

• Mass and Matter

• Weight and Mass

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

As the distance between two masses decreases, the gravitational force between them _______.

• Increases

• Stays the same

• Decreases

Tags

NGSS.MS-PS2-4

If the Sun’s mass increased, how would the strength of gravity between the Sun and Earth change?

• It would decrease.

• It would stay the same.

• It would increase.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which of the pictures is the best representation of the gravitational forces between the Sun and the Earth?

• a)

• b)

• c)

• d)

• e)

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Draw what you think the Earth's motion would look like if the force of gravity was sudden "turned off."

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4