1. RAP 1.______ Only planet with liquid Water and life. 2. ______ Earth is the center of the Solar system theory. 3. ______ first to use telescope. 4. _______ Earth’s twin planet. 5. _______ 2 nd most abundant gas in the atmosphere.

2. Key Questions 1.What is an asteroid? 2.What is another name for an asteroid? 3. What is the size and shape of asteroids? 4. Where are asteroids located? 5. What are asteroids made of? 6. What is the origin of asteroids?

3. Asteroids 1. Asteroid-small, rocky body in orbit around the sun 2. Flying Mountains 3. Asteroids can range in size from a few meters to kilometers Shape-irregular or spherical 4. Asteroids are located in the Asteroid Belt (between Mars and Jupiter)

4. 5. Asteroids are made of rock and metal ex. iron 6. Asteroids are leftovers from the formation of the solar system.