Expansion and Contraction of Materials

Summary

Using bimetal strips and Ball & Ring show how materials expand and contract with heat.

Materials

• bimetal strips
• ball & ring
• heat Source (Bunsen burner, alcohol lamp or hot water)
• ice Water
• worksheet

Student Prior Knowledge

All matter is made of particles. Particles move. They move faster with more heat.

Instructional Procedures

This can be done as a demo or as a student experiment depending upon your equipment. You could have i/2 of the class working on the Ball & Rings and the other 1/2 using the Bimetal Strips.

Bibliography

Lesson Design by Jordan School District Teachers and Staff.