1. The Planets in Our Solar System By Franklyn M. Branley

2. solar system The solar system includes the sun and all the planets, satellites, and comets that circle around the sun. Earth is one of the eight planets in our solar system. What are some other planets in our solar system?

3. easily If you do something easily, it is not hard for you to do. Ben practiced the piano so that he played the music easily. What is something that you can do easily?

4. farther When there are two objects, the one that is a greater distance away is farther away. I live farther from school than you do. What is farther than the moon?

5. main The most important thing is the main thing. The main part of the book is about stars. What main thing about school do you like?

6. dim Something that is dim has very little light. It is hard to see in a dim room. What word means the opposite of dim?

7. temperatures Temperatures measure heat and cold. The temperatures in July are hot. What are the temperatures in December?

8. telescope A telescope is a tool used to make faraway objects look larger and closer. I use a telescope to study stars. How is a telescope like a pair of glasses?

9. probably If something is likely to happen, it will probably happen. Ill probably walk the dog. What will you probably do after school today?