gizmo week 1 (1).odt - Student Exploration Force and Fan...

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Student Exploration: Force and Fan Carts John Nealy 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?
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? 6. ________ 134.3cm/s ___________________________________________________________ ______ Activity A: Force and motion Get the Gizmo ready: • 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?

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