Star Cycle Test

Front

What is a supernova?

Back

An exploding star caused by the ending of nuclear fusion in stars that are more than 10x the size of our Sun.

Tags

NGSS.HS-ESS1-3

Front

What determines the type of element an atom is?

Back

The amount of protons in its nucleus.

Front

What is the elemental composition of a stellar nebula?

Back

99% hydrogen, 1% helium.

Front

Which dies faster, a massive star or a smaller star?

Back

A massive star because the speed of nuclear fusion reactions would be faster.

Tags

NGSS.HS-ESS1-1

Front

What is a neutron star?

Back

The dead core of a star that has participated in a supernova, but not big enough to participate in a supernova.

Front

What is the life cycle of a star?

Back

The process a star undergoes from its formation to its end, including stages like main sequence, red giant, and supernova.

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Front

What is nuclear fusion?

Back

The process by which two light atomic nuclei combine to form a heavier nucleus, releasing energy.

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Front

What is a black hole?

Back

A region of space that has such an intense amount of gravity that not even light can escape.

Tags

NGSS.MS-PS2-4

Front

What is a red giant?

Back

A late stage in the life cycle of a star where it expands and cools after exhausting its hydrogen fuel.

Tags

NGSS.HS-ESS1-3

Front

What is a white dwarf?

Back

The remnant core of a star that has shed its outer layers, typically the size of Earth but very dense.