Gravity and our Solar System

The definition of gravity is -

• the attractive force between two objects

• the circular motion of rising and falling fluids

• the measure of the amount of matter in an object

• resistance to motion of one object moving relative to another

The _______ is the central object of our solar system and has a very high gravitational pull on the planets.

• Earth

• Sun

• Milky Way Galaxy

• Giant Black Hole

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

________________ is the force that allowed matter to collect, collide, and accrete during the formation of our solar system.

• Convection

• Friction

• Gravity

• Nuclear Fusion

Tags

NGSS.MS-ESS1-2

Gravitational interactions are attractive and depend on the ______________ of interacting objects.

• masses

• colors

• speeds

• energies

Tags

NGSS.MS-PS2-4

_______________ is the force that keeps the planets in motion around the sun.

• Friction

• Gravity

• Solar Energy

• Magic

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-1

Gravity acts everywhere in the universe.

• True

• False

Tags

NGSS.MS-ESS1-2

The planets will remain in orbit around the Sun as long as the Sun exists because the gravity of the Sun balances the forward movement of the planets.

• True

• False

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-1

Which object would have the strongest gravitational force?

• The Earth, because it has a smaller mass

• The Sun, because it accounts for about 99% of all mass in our solar system

• Jupiter, because it is the largest of our 8 planets in the solar system

• The moon, because it controls tides on planet Earth

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The _____________ is the center of our solar system.

• Milky Way Galaxy

• Sun

• Earth

• Giant Black Hole

Our solar system contains: (check all that apply)

• The Sun

• 8 planets and their moons

• Millions of stars

• Dwarf planets, meteors, asteroids, and comets.

Tags

NGSS.MS-ESS1-3