Student_Exploration_Force_and_Fan_Carts_ - Student...

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Student Exploration: Force and Fan Carts - h Vocabulary : force, friction, position, speed Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. If you are pushing a shopping cart and you start pushing harder, what happens?
2. What happens to a shopping cart if you get it rolling and then release it?
Gizmo Warm-up 1. In the Gizmo, turn the fan Off . Click Play . Did the cart move? __no_____________ 2. Click Reset . Press the Low fan speed button to turn on the fan. Click Play . What happened? The cart passed the finish line in 15 seconds._ 3. A force is something that causes change in motion. What provided the force that made the cart speed up? 4. The speedometer shows the cart’s speed , or how fast it moves. A speed of 30 cm per
second means the cart moves 30 cm every second. What was the final speed of the cart? 5. Friction is a force that works against motion as surfaces rub each other. Click Reset .
Select the No Friction surface. Click Play . What was the final speed this time? 134.3 cm per second_____________________________________ Activity A: Force and Motion Log into Gizmos Launch “Force and Fan Carts” ° Click Reset . ° Change the Surface to Wood . ° Be sure there are no objects on the cart. ° The Fan speed should be set to Low . Question: How does force affect motion? 1. Run Gizmo: Press Play . What was the final speed of the cart?