Astronomy Review 8th Grade

The hottest stars in space are _________ in color.

• yellow

• red

• blue

• white

The produces energy by fusing hydrogen atoms into ______ atoms in its core.

• carbon

• helium

• iron

• oxygen

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

A _________ is a region so dense that nothing, including light, can escape its gravity field.

• supernova

• white dwarf

• black hole

• super giant

Our Sun is considered average because its temperature and absolute magnitude place it in the ___________ range of the H-R diagram

• white dwarf

• red giant

• main sequence

• super giant

Which type of galaxy is the Milky Way?

• an irregular galaxy

• a spiral, disk-shaped galaxy

• an elliptical galaxy

• a chaotic galaxy with arms

Tags

NGSS.MS-ESS1-2

The ___________ is the sum total of all that exists.

• universe

• solar system

• Milky Way

• galaxy

Tags

NGSS.HS-ESS1-2

What is a light year?

• How far light travels in a month

• How far the moon is from the earth

• How far the sun is from the earth

• how far lights travels in a year

If sound or light changes from short wave lengths to long wave lengths, this is shift is called _______________.

• Red shift

• Blue shift

• Doppler Effect

• Light Year Effect

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-1

NGSS.HS-PS4-3

What is the source of all energy on our planet?

• moon

• black hole

• Antares

• Sun

Tags

NGSS.HS-ESS1-1

What is a nebula?

• a protostar

• a red giant

• a cloud of gas and dust

• a supernova