components of the universe

Which star is the hottest?

• A blue star

• A red star

• A white star

• A yellow star

what is a nebula?

• The process of nuclear fission

• The process of nuclear fusion

• A cloud of dust and gas in space

• The center of a star

Tags

NGSS.HS-ESS1-3

What is a star with high luminosity but low temperature

• Red super giants

• Main sequence

• white dwarf

• The number 11

A good description of a white dwarf

• A very bright but cool star

• A hot and very bright star

• a star in the main sequence, not very big and can differ in heat and brightness

• A hot but dim star

what are core-collapse supernova

• A type of star

• A giant explosion of a star

• the creation of a new star

• explosion of a nebula

Tags

NGSS.HS-ESS1-3

Where are the brightest and hottest stars located?

• top right

• bottom right

• bottom left

• Top left

Tags

NGSS.HS-ESS1-3

The main sequence is

• a group of stars that differ in heat and luminosity, more than any other group of stars

• a group of high temp. low luminosity stars

• a group of high luminosity low temp. stars

• a group of high temp. high luminosity stars

What is a light-year?

• The distance between two stars

• The distance light travels in one year

• The time it takes light to travel 300,000,000 meters

• The time it takes light to travel to Earth from the Sun

Which of the following lists the lifecycle of a star correctly?

• Supergiant, Giant, Dwarf, Nebula

• Supernova, Supergiant, Giant, Dwarf

• Dwarf, Main Sequence, Supergiant, Giant

• Main Sequence, Giant, Supergiant, Dwarf

Tags

NGSS.HS-ESS1-3

In the HR diagram what happens as we move to the left?

• Stars Get Larger

• Stars get Colder

• Stars get hotter

• star gets brighter