The Solar System

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

• gas
• metal
• water
• rock

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

• The inner planets all have water
• the inner planets are much bigger than the outer planets
• the outer planets are gas planets
• the outer planets have rings, and the inner planets don't

Which is the largest object in our solar system?

• Sun
• Jupiter
• Earth
• Pluto

The GAS GIANTS or Outer planets are:

• Mercury, Earth, Jupiter, Saturn
• Saturn, Neptune, Pluto, Mars
• Saturn, Jupiter, Uranus, Neptune
• Earth, Mars, Saturn, Neptune

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

• Asteroid
• Comet
• Moon
• Meteor

The inner planets are:

• Jupiter, Earth, Mars, Mercury
• Saturn, Uranus, Mars, Earth
• Earth, Pluto, Neptune, Mars
• Mercury, Venus, Earth, Mars

Which planet is the hottest planet?

• Mercury
• Mars
• Venus
• Saturn

Why does the moon appear to shine?

• It is like a star and gives off light
• it refracts light from space
• It reflects light from the sun
• It absorbs light from the sun

which of the following is the cause of Mercury having a shorter year than Jupiter

• Mercury orbits closer to the sun
• Mercurys orbit is more circular than Jupiter
• Mercury rotates at a slower speed than Jupiter
• Mercury has a more elliptical orbit than Jupiter

Where is the asteroid belt found?

• between earth and mars
• Between Uranus and Neptune
• Between Mercury and Venus
• Between Mars and Jupiter