Day 6, Unit 1 Stars and their lifecycle

Open Ended

Do Now: Do we see the same stars all year round every night? Explain why yes or no.

Multiple Choice

What are the two major elements found in the universe?

• gold, silver

• hydrogen, helium 

• silver, copper

• uranium, carbon

Multiple Choice

A force which tries to pull two objects toward each other.

• Supernova 

• Nebula 

• Planetary Nebula 

• Gravity 

Multiple Choice

What is the stellar nebula of a star mostly made of?

• hydrogen

• helium

• light

• fire

Multiple Choice

A process in stars where two Hydrogen atoms combine to form Helium and release energy.

• Nebula 

• Nuclear Fusion 

• Supernova 

• Gravity 

Multiple Choice

What stage do stars, no matter their size, spend most of their time?

• stellar nebula 

• main sequence

• red giant

• white dwarf

Multiple Choice

Eventually, our Sun will run out of ____ and become a ____.

• hydrogen, red dwarf

• hydrogen, red giant

• hydrogen, blue giant

• helium, white dwarf

Multiple Choice

All low/medium mass stars will eventually 

• explode into a supernova

• become a black hole

• change into a white dwarf 

• become a neutron star

Open Ended

Do Now: What is the lifecycle of a low mass star from beginning to end (less than 8 solar masses)?

Multiple Choice

A high mass star is different from a low/medium mass star because,

• it does not begin as a nebula

• it does not end

• it does not have a white dwarf stage

• it does not use nuclear fusion