Front

What is the distance between waves called?

Back

Wavelength

Tags

NGSS.HS-PS4-1

Front

What two elements mostly make up stars?

Back

Hydrogen and Helium

Tags

NGSS.HS-ESS1-1

Front

What is the name of the galaxy in which Earth is located?

Back

Milky Way

Front

Why does the moon look larger than the stars?

Back

The moon is closer to Earth than the stars.

Front

What is the term for space and all the matter and energy in it?

Back

Universe

Front

What is the process by which stars are formed?

Back

Nuclear fusion occurs in the cores of stars, where hydrogen atoms combine to form helium.

Tags

NGSS.HS-ESS1-1

Front

What is a light year?

Back

A light year is the distance that light travels in one year, approximately 5.88 trillion miles.

Front

What is the Big Bang Theory?

Back

The Big Bang Theory is the leading explanation for the origin of the universe, stating that it began as a singularity and expanded.

Tags

NGSS.HS-ESS1-2

Front

What is a galaxy?

Back

A galaxy is a massive system of stars, stellar remnants, interstellar gas, dust, and dark matter, bound together by gravity.

Front

What is the difference between a planet and a star?

Back

A planet orbits a star and does not produce its own light, while a star generates light and heat through nuclear fusion.