Module 29 Gravity/Tides

What is the force that holds the planets in orbit around the Sun and what keeps the Moon in orbit around Earth called?

• Momentum

• Gravity

• Orbit

• Revolution

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The gravitational attraction of the Moon even pulls Earth's ocean water towards it, causing the ____________.

Tags

NGSS.MS-PS2-4

Gravity is the force that _________ objects toward the CENTER (not down)

• pushes

• moves

• pulls

• lowers

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What two things influence the force of gravity?

• Mass

• Strength

• Distance

• Weight

Tags

NGSS.MS-PS2-4

More massive objects have a __________ gravitational pull

• greater

• weaker

Tags

NGSS.MS-PS2-4

The farther the distance between objects, the __________ the gravitational pull

• greater

• weaker

The closer the distance between objects, the __________ the gravitational pull

• greater

• weaker

Tags

NGSS.MS-PS2-4

What two forces keep the planets moving in elliptical orbits?

• gravity

• air resistance

• inertia

• friction

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

____________ is a measure of the amount of matter in an object

True or False: An object's mass does not change.

• True

• False

Tags

NGSS.MS-PS1-5