1. THE SOLAR SYSTEM SECTION 1 CONTRAST the Earth-centered model of the solar system and the Sun- centered model of the solar system. Earth-CenteredSun-Centered How many Planets are in the system? Describe Motions in the System?

2. THE SOLAR SYSTEM SECTION 1 EVALUATE how Galileo’s discoveries provided evidence for the Sun-centered model of the solar system. Complete the statements. Galileo discovered that the planet ________ went through _____________ like our _____________. These changes Could occur only _____________________.

3. THE SOLAR SYSTEM SECTION 1 CREATE a drawing of the solar system; using construction paper. Draw and label the Sun and the planets in the correct order. Identify which planets were included in the Earth- centered model of the solar system by putting a check mark beside them.

4. THE SOLAR SYSTEM SECTION 1 SEQUENCE the steps in the formation of the solar system. 1___________________________________________ 2.___________________________________________ 3.___________________________________________ 4.____________________________________________

5. THE SOLAR SYSTEM SECTION 1 CLASSIFY the nine planets as inner or outer planets, using the chart below. Identify a characteristics of each group of planets. The Nine Planets InnerOuter Names of planets Characteristics