Unit 1 Test Earth and Space Science

A solar system is a central _____ and everything that orbits around it.

• black hole

• galaxy

• planet

• star

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

Our solar system is mostly filled with _____.

• asteroids

• empty space

• planets

• stars

(Choose all correct answers!) Stars are MUCH _____ than planets and all other solar system bodies.

• larger

• smaller

• colder

• hotter

Tags

NGSS.MS-ESS1-3

How many stars are in our solar system?

• 1

• 4

• 8

• 9

• 181

Our star (the Sun) is one of the largest stars in the universe.

• true

• false

Our Sun appears much larger than the other stars because it is much _____ than the other stars.

• bigger

• closer

• hotter

• older

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-3

In space, a(n) ___ is when one body travels around another due to the pull of gravity.

• orbit

• rotation

• revolution

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

It takes Earth about one (1) _____ to make one complete trip (orbit) around the Sun.

• hour

• day

• month

• year

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

A(n) _____ is a loose chunk of ice, dust & rock that orbits a star.

• asteroid

• comet

• meteoroid

• moon

• planet

Most comets orbit the Sun in a huge, round _____ surrounding the outer reaches of our solar system.

• belt

• cloud

• ring

• band

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4