Unit 4 - Solar System Lessons 1 and 2

Front

What is an asteroid?

Back

An asteroid is made of solid rock material.

Front

What is the region of the solar system between the orbits of Mars and Jupiter?

Back

The region is called the asteroid belt.

Front

What is a comet?

Back

A comet is a small, rocky and icy object that orbits the sun.

Front

What happens to gravitational pull when mass increases?

Back

More mass results in a greater gravitational pull.

Front

What is step two of the formation of the solar system?

Back

Gravity pulled gas and dust toward the center of the disk, forming the sun.

Front

What is the solar nebula?

Back

The solar nebula is a cloud of gas and dust from which the solar system formed.

Front

What is the main component of asteroids?

Back

Asteroids are primarily made of rock and metal.

Front

What is the difference between an asteroid and a comet?

Back

Asteroids are rocky, while comets are icy and rocky.

Front

What role does gravity play in the solar system?

Back

Gravity keeps the planets in orbit around the sun.

Front

What is the Oort Cloud?

Back

The Oort Cloud is a theoretical cloud of icy objects that exist in the outermost reaches of the solar system.