Universe, Stars, and the Sun

What is a small, hot, dim star that is the leftover center of an old star?

• Spiral Galaxy
• Supernova
• White Dwarf
• Black Hole

What is a large grouping of stars, dust, and gas bound together by gravity?

• Nebula
• Galaxy
• Cosmology
• Gravity

Tags

NGSS.MS-ESS1-2

What is a large cloud of dust and gas where new stars are formed or stars explode?

• quasar
• black hold
• supernova
• nebula

Which is the hottest?

• a red giant
• small, white dwarf
• main-sequence yellow star
• main-sequence blue star

Tags

NGSS.MS-PS1-4

The sun appears brighter than other stars because

• it is the largest star in the universe
• it is the hottest star in the universe
• able to radiate more energy than other stars
• is closer to Earth than other stars

The color of a star depends on its

• size
• temperature
• shape
• magnitude

Tags

NGSS.MS-PS1-4

What color are the hottest stars?

• red
• yellow
• orange
• blue

What is a star?

• collection of dust that gives off heat and light

• huge ball of hot, glowing gas that gives off heat and light

• ball of electricity that gives off heat and light

• a bright burning planet that gives off heat and light

What is a light year?

• The distance that light travels in 10 seconds
• The time it takes light to travel to the moon
• The distance that light travels in 1 year
• The distance around the Earth

The average distance between the earth and the sun.

• Lightyear
• astronomical unit
• kilometers
• parsec

Tags

NGSS.MS-ESS1-3