Unit 1 The Universe

They are balls of gas that produce light and heat.

• Satellites

• Comets

• Stars

• Planets

They orbit the Sun. They are made of ice, dust and gas.

• Stars

• Comets

• Planets

• Asteriods

They are rocks that orbit the Sun.

• Comets

• Asteroids

• Stars

• Galaxies

Tags

NGSS.MS-ESS1-3

They orbit around the Sun. They do not produce light or heat.

• Stars

• Galaxies

• Planets

• Comets

Tags

NGSS.MS-ESS1-3

They are enormous groups of stars that move through space.

• Asteroides

• Comets

• Galaxies

• Planets

Tags

NGSS.MS-ESS1-2

They travel around planets. The moon is one of them.

• Stars

• Satellites

• Comets

• Galaxies

Tags

NGSS.MS-ESS1-1

How many galaxies are there in the universe?

• There is only one galaxy in the universe.

• There are billions of galaxies in the universe

• There are millions of galaxies in the universe.

• There are only a few galaxies in the universe.

When a meteoroid enters the Earth's atmosphere, what do we call it?

• A star

• A comet

• A meteor

• A meteorite

When a meteor reaches the Earth's surface, what do we call it?

• A meteor earth

• A meteorite

• An earth-ite.

• An asteroid

Our Sun is an example of what?

• A star

• A moon

• A comet

• A satellite