Grade 8 science 4th quarter

• Mercury, Venus, Earth, Mars are called inner planets because they are close to the sun
• the planets orbit around the sun
• The sun is the center of our solar system
• The asteroid belt is between mars and jupiter
• Asteroids are small rocky objects that orbit between mars and jupiter
• Jupiter has many moons
• Saturn's rings are made up of ice particles
• Uranus and Neptune have no rings
• Uranus is tilted on its side so it looks like it is rolling
• Pluto is no longer considered a planet because it orbits the sun at an angle to other planets, it is too small, and it does not have enough gravity to clear out space around its path
• Comets are made mostly of ice, dust, and gas
• The asteroid belt is located between Mars and Jupiter