Astronomy Review

_________________ are bowl-shaped indentations or cavities on the surface of a planet, moon, or asteroid caused by a collision with another object, such as a meteorite.

• gravity

• orbit

• craters

• axis

What caused the formation of this crater?

• water

• a building

• a meteorite

• the sun

Tags

NGSS.MS-ESS3-2

Why do planets orbit the sun (and not float in space)?

• the moons keep them in place

• They were hit by an asteroid

• they were hit by a comet

• the gravity of the sun keeps them in place

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

Why do all the planets orbit the sun instead of the Earth?

• the sun has more mass

• the sun is a star

• the Earth is heavier

• the sun is in the middle of the Milky Way

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

An image of the Earth-moon-sun system is shown. The moon remains in orbit around the Earth due to the force of —

• the rotation of the Earth

• the rotation of the moon

• the gravity of the Earth

• the gravity of the sun

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

What do we call a path followed by an object that revolves around another object, caused by gravity?

• Orbit

• Path

• Trajectory

• Route

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The four outer planets are called...

• Dwarf Giants

• Smoky Giants

• Gas Giants

• The Giants

As the planets move away from the sun... (choose two options)

• they become colder

• they become warmer

• they take longer to travel around the sun

• they take less time to travel around the sun

A ______ is the repetitive path that an object follows in space.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

_________ is the force that causes the orbits.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4