Universe Unit Review

Front

What is the name of our galaxy?

Back

The Milky Way Galaxy.

Front

Which wave has the greatest frequency?

Back

Wave 4.

Front

What happens to frequency when wavelength decreases?

Back

Frequency increases.

Front

During which stage does a star spend the majority of its life?

Back

Main sequence.

Front

What season is the northern hemisphere having when it is tilted away from the sun?

Back

Winter.

Front

Define frequency in terms of waves.

Back

Frequency is the number of waves that pass a point in one second.

Front

What is the relationship between wavelength and frequency?

Back

As wavelength decreases, frequency increases.

Front

What is a protostar?

Back

A protostar is an early stage in the formation of a star, before nuclear fusion begins.

Front

What is a white dwarf?

Back

A white dwarf is a small, dense star that is the remnant of a low-mass star after it has exhausted its nuclear fuel.

Front

What is the main sequence in stellar evolution?

Back

The main sequence is the longest stage in a star's life cycle where it fuses hydrogen into helium.