Solar System

Earth and the other planets closest to the Sun are made mostly of _______

• gas

• dust

• water

• rock

The _______________ is composed of planets, moons, comets, asteroids.

• solar system

• Earth

• Unite States

• Galaxy

One of the main differences between the outer and inner planets is __________.

• The inner planets all have water

• the outer planets are composed of gas while the inner planets are composed of rock and metal.

• the inner planets are much bigger than the outer planets

• the outer planets have a solid surface

Where is the asteroid belt found?

• between earth and mars

• Between Uranus and Neptune

• Between Mercury and Venus

• Between Mars and Jupiter

Which factor makes Earth different from all the other planets in the solar system in its ability to support life?

• The Earth is exposed to rays from the sun.

• The Earth has only one moon that orbits around it.

• The Earth rotates in an elliptical orbit around the sun.

• The Earth has liquid water, a breathable atmosphere, and is warm.

Which outer planets have rings?

• Just Saturn

• Saturn and Jupiter

• Jupiter, Neptune, and Saturn

• all 4 of them

Which is the largest object in our solar system?

• Sun

• Jupiter

• Earth

• Pluto

Which planet is closest to the sun?

• Uranus

• Mercury

• Neptune

• Earth

A ball of ice and dust with a tail of gas and dust pointing away from the sun.

• Asteroid

• Comet

• Moon

• Meteor

A small object that appears as a streak of light as it enters earth's atmosphere.

• Asteroid

• Comet

• Moon

• Meteor