Characteristics of Stars

How are stars classified?

• color, temperature, size, composition, and brightness

• gas or solid

• location

• atmosphere

How do Stars produce energy?

• Food

• Sleep

• Nuclear Fusion

• parallax

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

What are stars mostly made of?

• Helium

• Hydrogen

• Oxygen

• Dust

Most stars are the relative size of...

• Uranus

• Saturn

• Sun

• Earth

Tags

NGSS.MS-ESS1-3

All stars are...

• big balls of glowing gas

• cold balls of rock

• large square block of ice

How far across are neutron stars?

• 12 feet

• 10 miles

• 2 inches

• 20 kilometers

What are most stars composed of?

• 10% helium 2% nitrogen 88% Oxygen

• 3% oxygen 7% water 90% rock

• 73% Hydrogen 25% helium 2% other elements

• 10% rock 30% nitrogen 60% air

Tags

NGSS.HS-ESS1-3

true or false

some stars are much larger than the sun

• true

• false

Tags

NGSS.MS-ESS1-3

what planet are white dwarfs about the same size as?

• earth

• neptune

• mars

• uranus

Tags

NGSS.MS-ESS1-3

Astronomers use H-R diagrams to classify stars and to understand how stars change over time

• false

• true