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Engineering Interact - Interactive science & engineering for 9-11 year olds

http://engineeringinteract.org/resources/parkworldplot/parkworldplotlink.htm

Engineering Interact - Interactive science & engineering for 9-11 year olds. Gravity, stretching, compressing, friction, magnetic, balanced and unbalanced forces

Physics Games - online physics-based games

http://www.physicsgames.net/

Physics Games - online physics-based games

NASA Brain Bites

What is Gravity?

Read more at this web page

NASA Astronauts don't float

Understand why astronauts appear to be floating inside the space shuttle and how their floating is similar to riding an elevator.

Forces in Action

The Science of Speed

More information

The Equivalence Principle

Standing on the Moon in 1971, Apollo 15 astronaut Dave Scott held his hands out at shoulder height, a hammer in one hand and a feather in the other. And as the world looked on via live television, he let go. Read more at this NASA web page

NASA What makes things go?

Friction

Flying: Just Plane Fun

http://books.google.com/books?id=-TNXr-4IFksC&printsec=frontcover&dq=subject:%22Juvenile+Nonfiction%22&lr=&num=20&as_brr=1&ei=osuSSNbRFJOaigHZ6uz5DA&sig=ACfU3U1OPyYWNSx7i1EuNCIOaqPLkMsReA#PPA5,M1

Flying: Just Plane Fun - A grandfather takes his grandson for a ride in a homemade propellor plane while explaining how to prepare for a flight, takeoff, airplane controls, navigation, the principles of flight, aerobatics, landing, and related topics.

Central Idea

Central idea:
The physical laws of forces and motion affect all matter.
An inquiry into:
• What a force is and what forces are at work in our world
• Newton’s Laws
• How forces affect us and all other matter