Universe Practice Questions

Front

On the H-R diagram, where are the hottest stars found?

Back

The hottest stars are found on the left side of the H-R diagram.

Front

What do all stars begin as?

Back

All stars begin as a nebula.

Front

What is found on the x-axis of an H-R diagram?

Back

The x-axis of an H-R diagram represents temperature.

Front

True or False: The Sun is the biggest star in the sky.

Back

False. The Sun is not the biggest star; there are larger stars in the universe.

Front

What is the name of the collapse and explosion at the death of a massive star?

Back

The collapse and explosion is called a supernova.

Front

What is a nebula?

Back

A nebula is a giant cloud of dust and gas in space, where stars are born.

Front

What does the H-R diagram stand for?

Back

Hertzsprung-Russell diagram.

Tags

NGSS.HS-ESS1-3

Front

What are the two main axes of the H-R diagram?

Back

The two main axes are temperature (x-axis) and luminosity (y-axis).

Front

What is a supernova?

Back

A supernova is a powerful and luminous explosion that occurs at the end of a massive star's life.

Tags

NGSS.HS-ESS1-3

Front

What is a black hole?

Back

A black hole is a region in space where the gravitational pull is so strong that nothing, not even light, can escape from it.

Tags

NGSS.HS-PS2-4