# #004 FORCE AND FAN CARTS GIZMO LAB.docx - Name_Alora...

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Name: _ Alora Linehan _________________ Date: __ 2/7/2021 _______________ Student Exploration: Force and Fan Carts Vocabulary : force, friction, position, speed Force: A push or a pull Friction: A force that opposes motion between two surfaces that are in contact Mass: The amount of matter in an object Position: The location of an object Speed: How quickly an object is moving/how quickly the position of an object is changing 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? ______
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?
2019
2019 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? 1. Run Gizmo : Press Play . What was the final speed of the cart? ____ 90.6cm per second ___ 2. Predict : Would the cart’s final speed be higher or lower if the fan were set to Medium instead of Low ? ____ Higher __________________________________________________ 3. Experiment : Click Reset . Change Fan speed to Medium . Click Play . What was the cart’s final speed? __ 119.3cm per second _____________________ 4. Draw conclusion : Did the cart speed up more quickly with the fan on Low or Medium ?