Use jelly beans to compare the compositions (amounts of different gases) of the atmospheres of Earth, Mars, and Venus.

These hands-on activities are a great way for students to gain perspective on the relative sizes and distances of each planet, the relationship between the sun and Earth, and much more.

In this simple lesson, students grow yeast to learn how the climates on each of the nine planets would affect life.

This activity explores the relative size of the eight planets that circle around the Sun.

Read about our solar system and its formation over 4.6 billion years ago. Find out about the planets, asteroids, meteors, satellites, and comets. More in-depth planet background can be accessed through links.