http://kids.discovery.com/

Help your child learn about force and motion by designing your own roller coaster.  Click the link below!

http://kids.discovery.com/games/build-play/build-a-coaster

Click the link below to practice learning about forces in action as you experiment how inclines, weights, motion and resistance affect the movement of various objects with this fun science activity. Try and get the truck down the ramp and to the end of the track by adding a range of weights. Record the results in a table as you watch how the different conditions affect the outcome of the experiments. What happens when you make a steep incline or add a parachute to the back of the truck? Find out while enjoying this fun, interactive game for kids.

http://www.sciencekids.co.nz/gamesactivities/forcesinaction.html