The solar system
The Solar System
6 th Grade Review II. Atoms Atoms are the building blocks of matter. An electron is negative and orbits the nucleus. A proton is positive and is inside.
THE CLOSEST STAR TO THE EARTH THE SUN IS A STAR. THE SUN The Sun is a star. It is the star that is closest to the Earth.
The Star
Student multimedia presentation
Assignment6
Chapter 2
The sun, earth, and moon
Exploring the Solar System
Did You Know?
Unit 1 the universe
