Earth and Space Science Review 6th-8th Grade

How far apart are most objects in space?

• enormous distances

• very close

• an astronomical unit

Tags

NGSS.MS-ESS1-3

What is a light year?

• The distance that light travels in one year

• The time it takes light to travel in one year

• The distance between the sun and earth

What is an astronomical unit?

• The distance that light travels in one year

• The time it takes light to travel in one year

• The distance between the sun and earth

Tags

NGSS.MS-ESS1-3

About how many galaxies are there in the universe?

• billions

• millions

• thousands

About how many stars are in a galaxy?

• billions

• millions

• thousands

What is apparent magnitude?

• How bright a star looks from Earth

• How bright a star actually is

• How hot a star is

What is absolute magnitude?

• How bright a star looks from Earth

• How bright a star actually is

• How hot a star is

What is an H-R diagram?

• Classification chart for stars

• Classification chart for organisms

• Classification chart for galaxies

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

What is the H-R classification of our Sun?

• main sequence

• white dwarf

• red supergiant

• yellow giant

What color are the hottest stars?

• blue

• white

• yellow

• red