Front

What is the unique layer of Earth compared to other terrestrial planets?

Back

Liquid

Front

What is a major error in a model of the solar system?

Back

The model shows Earth as being larger than the sun, the shape of the planets' orbits is rectangular, and it shows Earth being the closest planet to the sun.

Front

Which is the largest object in our solar system?

Back

Sun

Front

What describes the difference between rocky planets and gas giants?

Back

Rocky planets are closer to the sun than gas giants, rocky planets are warmer than gas giants, gas giants rotate faster than rocky planets.

Front

What is the Earth's axis?

Back

An imaginary line that goes from the North Pole to the South Pole.

Front

What are the four terrestrial planets in our solar system?

Back

Mercury, Venus, Earth, Mars.

Front

What are gas giants?

Back

Planets that are primarily composed of hydrogen and helium, such as Jupiter and Saturn.

Front

What is the asteroid belt?

Back

A region of space between Mars and Jupiter where most asteroids are found.

Front

What is the Kuiper Belt?

Back

A region of the solar system beyond Neptune that contains many small icy bodies.

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 tail.