Earth & Space Science Week 7 Review - Exploring the Universe

What causes stars to stay in galaxies?

• black holes

• nebulae

• gravity

• comets

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Heat and light for the Earth come from __________.

• a superstar

• the sun

• the Milky Way galaxy

• Halley’s Comet

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-4

How many stars does the Milky Way galaxy contain?

• about 1 billion stars

• more than 100 billion stars

• almost 1 million stars

• around 100 million stars

Which of these is not part of our solar system?

• eight planets

• the sun

• the moon

• hundreds of galaxies

What is one way to tell how hot a star is?

• its color

• its size

• its shape

• its distance

Tags

NGSS.HS-PS4-1

Describe how new stars are formed. Check all that apply. (Short answer question).

• You draw them in the sky.

• giant clouds of gases combine

• powerful reactions are started

Which color star is the Earth's sun?

• red

• white

• blue

• yellow

Which of the following was Edmund Halley's prediction?

• Light cannot escape from black holes.

• The Milky Way Galaxy is colliding with the Canis Major Galaxy.

• A comet will return in 1758.

• A gyro will help keep a telescope in place.

Which of the following is the shape of the Milky Way Galaxy?

• sphere

• spiral

• irregular

• triangle

Which state has many large observatories on a mountaintop where scientists study objects in outer space? (Short answer question)

• Hawaii

• Ohio

• Florida

• California

Tags

NGSS.MS-ESS1-3