The Solar System

These are often as small as pebbles and are considered space debris.

Which sphere contains the least amount of matter?

This sphere is a major contributor to weather on Earth.

How long does it take the Earth to make one revolution?

Which sphere is composed of all nonliving things on Earth?

This is the farthest planet we can see with our eyes.

This planet revolves around the Sun on its side.

How many moon phases are there?

This planet is the second largest in the solar system.

This planet is the fastest moving planet in the solar system.

How does the Earth rotate on its axis?

These are found in an area between Mars and Jupiter and are similar to comets.

The inner planets are ______, while the outer planets are _______.

Which sphere contains all the water on Earth?

During which season is the Earth's northern axis facing away from the Sun?

These are meteoroids that actually hit Earth's atmosphere.

The opposite of crescent is _________.

The first half of the moon phases are _______, while the second half are _______.

The Earth ________ on its axis, but it ________ around the Sun.

These are made up of dust, rocks, and metal, orbit the sun, and have an icy shell.

This planet is the closest to Earth.

The surface of this planet is covered in volcanoes and fog.