2022-23 Unit 1 Test Review

Front

What is the geocentric model of the solar system?

Back

A model of the solar system in which the Sun, Moon, and other planets revolve around Earth.

Front

What experiment best replicates the big bang theory?

Back

Exploding a tightly packed substance inside a vacuum.

Front

What galaxy is Earth a part of?

Back

Milky Way.

Front

What is the main difference between asteroids and meteoroids?

Back

Asteroids are generally bigger than meteoroids.

Front

What force holds the planets in Earth's solar system together?

Back

Gravity.

Front

What is the heliocentric model?

Back

A model of the solar system in which the Earth and other planets revolve around the Sun.

Front

What are the main components of the solar system?

Back

The Sun, planets, moons, asteroids, comets, and meteoroids.

Front

What is the difference between a planet and a dwarf planet?

Back

A planet has cleared its orbit of other debris, while a dwarf planet has not.

Front

What is the significance of the Milky Way galaxy?

Back

It is the galaxy that contains our solar system and billions of other stars.

Front

What is gravity?

Back

A force that attracts two bodies towards each other, proportional to their masses.