Earth in the Solar System

• The Earth is the third planet from the sun in a system that includes the Moon, the sun, seven other planets and their moons, and smaller objects, such as asteroids and comets. The sun, an average star, is the central and largest body in the solar system.

Short Description: Students will learn the basic components of a comet and demonstrate how the comet's head and tail form by observing a comet model -- this activity is a classroom demonstration.

Teacher-centered demonstration that dramatically and physically models a comet using dry ice and other ingredients.