Stars and Sun Review

The sun is 4.6 ________ years old.

• hundred

• thousand

• million

• billion

Tags

NGSS.HS-ESS1-1

How old is the sun

• About 10 billion years old

• About 4.5 billion years old

• About 4.5 million years old

• About 10 million years old

Tags

NGSS.HS-ESS1-1

How old will the sun be when it dies out?

• 10 billion years

• 4.5 billion years

• 15 billion years

• 2 billion years

Tags

NGSS.HS-ESS1-1

______ is a force that causes dust particles to stick together in a nebula.

• nuclear fusion
• gravity
• hydrogen
• friction

The core of a Red Giant collapses and becomes a ___________________.

• White Dwarf
• Blue Supergiant
• Red Supergiant
• Black Hole

What happens in the first stage of star formation

• The hydrogen gets hotter and starts to glow

• Gravity pulls together lots of dust and hydrogen gas into a nebula (cloud of gas).

• Fusion reactions start.

A low mass star ends its life as a 

• Supernova
• Black hole
• White dwarf
• Nebula

Our sun is a ______________ mass star.

• large

• neutron star

• low to medium

• super massive

Our sun is currently in what star stage?

• Protostar
• Nebula
• Main Sequence
• Red Giant

Tags

NGSS.HS-ESS1-1

A star at the stage in its life cycle when it stops burning hydrogen, begins burning helium, and expands to a large, low-density star.
What stage in the life cycle does this describe? 

• Supernova
• Black Hole
• Main Sequence
• Red Giant or Red Supergiant

Tags

NGSS.HS-ESS1-1