Grade+7+TechEd

=Grade 7 Tech ED=

Forklifts and mechanical advantage (this site has two worksheets on simple machines)

[|Robots Discovery lesson]
[|3-Point Seat Belt]

[|Car Safety Advances]

[|Convertable Car Crash Test]

[|Crumple zone]

[|History of Crash Testing 1]

[|Crash testing demonstrated]

[|Crash Test Dummies]