Great inventions (Smart Apple)
Author
1) Airplanes
Author
Pub. Date
2004
Accelerated Reader
IL: LG - BL: 4.8 - AR Pts: 1
Description
An introduction to the ideas and technical developments that produced today's airplanes. Includes a "hands on" activity.
2) Electricity
Author
Pub. Date
2004
Accelerated Reader
IL: LG - BL: 5.4 - AR Pts: 1
Description
Briefly describes what electricity is, how various people developed a better understanding of this form of energy, and how electricity is generated. Includes a related activity.
