Solar System 6.5a Comprehension

Front

What separates the inner and outer planets?

Back

The asteroid belt.

Front

What are objects made of ice, dust, and rocks that orbit the Sun?

Back

Comets.

Front

What are similar to planets but not large enough to have cleared their orbital region of other objects?

Back

Dwarf planets.

Front

What are the closest four planets to the Sun called?

Back

Inner planets.

Front

What are the furthest four planets from the Sun called?

Back

Outer planets.

Front

What is the main difference between inner and outer planets?

Back

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

Front

Name the four inner planets.

Back

Mercury, Venus, Earth, Mars.

Front

Name the four outer planets.

Back

Jupiter, Saturn, Uranus, Neptune.

Front

What is the Kuiper Belt?

Back

A region of the solar system beyond Neptune, populated with small icy bodies.

Front

What is the Oort Cloud?

Back

A theoretical cloud of icy objects that exist in the outermost reaches of the solar system.