Chapter 11 Lesson 1 Flashcard Review

Front

What are the four outer planets of the solar system?

Back

Jupiter, Saturn, Uranus, Neptune.

Front

Which planet is NOT one of the four outer planets?

Back

Mars.

Front

What is the largest object in the solar system?

Back

The Sun.

Front

What is the period of revolution?

Back

The time it takes an object to travel once around the Sun.

Front

What is the period of rotation?

Back

The time it takes an object to complete one rotation.

Front

In what type of orbit do comets move around the sun?

Back

Oval-shaped.

Front

What is a planet?

Back

A celestial body that orbits a star, is spherical in shape, and has cleared its orbit of other debris.

Front

What distinguishes inner planets from outer planets?

Back

Inner planets are rocky and smaller, while outer planets are gas giants.

Front

What is an asteroid?

Back

A small, rocky object that orbits the Sun, primarily found in the asteroid belt.

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 tail.