Test Review for Astronomy

Front

What is a theory in science?

Back

A well-substantiated explanation of some aspect of the natural world.

Front

What is an asteroid?

Back

A small, rocky object that orbits the Sun.

Tags

NGSS.MS-ESS1-3

Front

What are the three objects that make up the Alpha Centauri system?

Back

Stars.

Front

What is nuclear fusion?

Back

The process of combining two light atomic nuclei.

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

NGSS.HS-PS1-8

Front

What is a nebula?

Back

A large amount of gas and dust spread out over a large area. Where stars are 'born.'

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.

Tags

NGSS.MS-ESS1-2

Front

What is the Milky Way?

Back

The galaxy that contains our solar system.

Front

What is a comet?

Back

A small icy body that, when passing close to the Sun, heats up and begins to release gases, forming a glowing coma and sometimes a tail.

Front

What is the solar system?

Back

A collection of celestial bodies, including the Sun, planets, moons, asteroids, and comets, that are bound by gravity.

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

Front

What is gravity?

Back

A force that attracts two bodies towards each other, depending on their masses and the distance between them.

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5