Low and Medium Mass Stars
High Mass Stars
The Universe
Vocabulary
Mixed Bag
100

The remains of a star's core

What is a White Dwarf

100

The shortest stage of the cycle.

What is supernova

100
Approx. how old is the universe?

14.5 billion years

100
: An object whose gravity is so strong that nothing, not even light, can escape.
What is Black Hole
100

Where do stars form?

What is Nebula

200

The longest part in the low/medium mass star's life cycle.

What is the Main Sequence

200

why is the high mass stars life-cycle so short?

What is "it fuses hydrogen more quickly"

200

The scientific theory with the MOST evidence for how the universe began is:

The Big Bang Theory

200

: The small, dense remains of a high-mass star after a supernova.

What is Neutron star

200

What do we call a "failed" star?

a brown dwarf

300

The first part in the star's whole life cycle

What is a star-forming nebula

300

The part of the cycle where a new protostar can ~possibly be formed

What is Super Nova

300

The most common element in the universe is:

Hydrogen

300
: The blue-white hot core of a star that is left behind after its outerlayers have expanded and drifted into space.
What is White dwarf
300

The white dwarf is made of the previous star's core. T/F

True

400

The only low-mass stars which can ever gain enough mass to go supernova are _____________.

binary stars

(remember: they can steal hydrogen from their neighbor)

400

The last, most destructive part in the life cycle in high mass stars

What is Black hole

400

This is what collects all the dust/debris together to form stars and planets.

What is gravity.

400
A large cloud of gas and dust in space, spread out in an immense volume.
What is Nebula:
400

Will the Sun ever become a supernova?

No.

500

A low mass star will end its life as a:

what is a black dwarf

500

High mass stars live _______ lives than low mass stars

What is shorter

500

The biggest piece of evidence for the Big Bang is?

cosmic background radiation


(recall: this was part of the COBE mission)

500

The color of a Star depends on its:

What is Temperature

500

What are all the stages of our Sun's life cycle - IN ORDER

1. Forms in a nebula 

2. Main sequence star 

3. Red Giant  

4. Planetary Nebula

5. White Dwarf

6. Black Dwarf