Stars Test

What are stars?

• Small rocks in space

• Massive, luminous spheres of plasma

• Clouds of dust

• Planets

Tags

NGSS.HS-ESS1-3

Stars generate light and heat through ________, converting hydrogen into helium in their cores.

• nuclear fusion

• nuclear fission

• chemical reaction

• combustion

Tags

NGSS.HS-ESS1-1

True or False: Stars are just tiny, twinkling points of light in the night sky.

• True

• False

Our Sun is an average-sized star, but some stars are much bigger or smaller than the Sun.

• True

• False

Stars are the primary sources of ________ in the universe, radiating heat and light that sustain life on planets like Earth.

• energy

• gravity

• water

• sound

Tags

NGSS.HS-ESS1-1

Stars have been used for ________ and ________ throughout human history.

• navigation and timekeeping

• cooking and cleaning

• painting and sculpting

• dancing and singing

What are the smallest stars called?

• Blue supergiants

• Red dwarfs

• White dwarfs

• Neutron stars

What are the biggest stars called?

• Red dwarfs

• Blue supergiants

• White dwarfs

• Neutron stars

A star's ______ determines how bright it shines, how hot it is, and how long it will live.

• mass

• distance

• color

• shape

Tags

NGSS.HS-ESS1-1

Stars with more mass burn hotter and brighter, but they don't live as long as stars with less mass.

• True

• False