Stars, Galaxies, and the Universe

A light-year measures...

• time

• distance

• mass

• volume

Which is NOT a way that stars are classified?

• brightness

• density

• size

• color

The coolest stars are which color?

• blue-ish white

• yellow

• purple

• red

The hottest stars are which color?

• blue-ish white

• yellow

• purple

• red

Neutron stars are much smaller than our sun.

• true

• false

Tags

NGSS.MS-ESS1-3

A star's brightness increases as its...

• temperature and/or size increase

• temperature and/or size decrease

• temperature decreases

• fuel runs out

Tags

NGSS.MS-PS1-4

What is the large cloud of gas and dust in which stars form?

• nebula

• supernova

• black hole

• galaxy

A newly forming star is called a...

• novastar

• black star

• white dwarf

• protostar

Small stars live longer than big stars.

• true

• false

Tags

NGSS.MS-ESS1-2

Our sun is a white dwarf.

• true

• false