Gravity Lesson

The moon revolves around Earth. The moon travels at a speed of about 1 km/s. What keeps the moon in orbit around Earth?

• gravity

• magnetism

• ocean tides

• nuclear tides

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which one of Newton's Laws (first, second, third) explains the following observation:
Asteroids continue to move in an elliptical orbit in a belt around the star

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What keeps the Earth in the Solar system?

• string

• gravity

• moon

• other planets

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

When will the forces of gravity between two objects be the GREATEST?

• when the masses of both objects are small and the objects are far apart

• when the masses of both objects are large and the objects are close together

• when the masses of both objects are small and the objects are close together

• when the masses of both objects are large and the objects are far apart

Tags

NGSS.MS-PS2-4

Which model has greater gravitational attraction (if any)

• Model A

• Model B

• Both Model A and Model B (same gravity)

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

As mass increases , gravity

• increases

• decreases

• stays the same

Tags

NGSS.MS-PS2-4

As the distance increases between two objects, gravity

• increases

• decreases

• stays the same

What two things determine the gravity of an object?

• mass & weight

• mass & distance

• density & mass

• volume & distance

Tags

NGSS.MS-PS2-4

When will the gravity between two objects be the LEAST?

• when the masses of both objects is small and the objects are close together

• when the masses of both objects is small and the objects are far apart

• when the masses of both objects is large and the objects are close together

• when the masses of both objects is large and the objects are far apart

Tags

NGSS.MS-PS2-4

Which system has the greater gravitational attraction between the two objects (if any)?

• System A

• System B

• Same gravitational attraction fro System A and System B

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4