Earth & Space Science Exam Review

Stars are mostly made up of nitrogen and oxygen.

• True

• False

Only a few stars are made of hydrogen and helium; most are made of heavier elements.

• True

• False

Tags

NGSS.HS-ESS1-3

Almost every galaxy is moving away from us.

• True

• False

Tags

NGSS.HS-ESS1-2

This keeps a star from collapsing from its own gravity.

• The energy from fusion

• Centrifugal force

• Anti-gravity

• None of these

Tags

NGSS.HS-ESS1-1

What is fusion?

• The combining of atoms

• The name of a star

• The splitting of atoms

• The name of Jupiter’s moon

Tags

NGSS.HS-PS1-8

When two nuclei combine to form a larger nucleus, the process is known as _____.

• Red shift

• Gravitational effect

• Nuclear fusion

• None of these

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

The Hertzsprung-Russell diagram shows _________________.

• The brightness and temperature of a star

• The temperature and classification of a star

• The distance and brightness of a star

• The distance and temperature of a star

Extremely high temperature stars are __________.

• Blue

• Orange

• Yellow

• Red

Our Sun is a ________ star.

• blue

• orange

• yellow

• red

The main sequence stars

• Include all the stars in the universe

• Are white dwarfs

• Range from white to red supergiants

• Range from large & blue to small & red