Video Worksheet The Universe: Life and Death of a Star

What are the pillars made of in the “Pillars of Creation?”

• dust and ice

• dust and hydrogen gas

• hydrogen and helium gas

• all of the above

What is the key component (element) found in stars?

• lithium

• helium

• hydrogen

• water

Tags

NGSS.HS-ESS1-3

What is the most important force in astronomy?

• velocity

• force

• momentum

• gravity

Tags

NGSS.HS-PS2-4

What is the early phase of the star called once the gas and dust begin to coalesce into a sphere?

• protostar

• nebula

• red giant

• sun

What energy powers the star throughout its life?

• thermonuclear fusion

• nuclear energy

• both

• none of the above

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

What characteristic indicates how hot a star is?

• Thermal

• Temp

• Color

• None of the above

Small, cool red stars are called

What are the most common types of stars in our universe?

This type of star has a surface temperature that is very hot (45,000°F) and is up to 20 times the mass of the sun. What color is it and what is it called?

How long will our Sun live?

• 10 million

• 10 billion

• 100 trillion

• infinite

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3