Activity Type 1: Predict, Observe, and Explain/Revise with ...



Name: _____________________________Static – Online Simulation HomeworkLearning Objectives:? Students will be able to determine the variables that affect how positive and negative objects interact. Students will be able to predict how positive and negative objects will interact.QUESTIONING: Why do you think balloon stick to things (like hair) after rubbing on your head? Why do you think they repel from each other? Use words and pictures to describe your ideas about what might be going on. ______________________________________ ______________________________________ ______________________________________ ____________________________________________________________________________2. Let’s look at the Balloons and Static Electricity PhET simulation. the simulation. How can you make the balloon attract (stick) to the sweater? _______________________________________________________________________________________________________________________________________________________________________________________________________________What makes it attract (stick) weakly versus attract strongly? _______________________________________________________________________________________________________________________________________________________________________________________________________________How do the plus or minus symbols help you decide whether something attracts or repels? ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________What are the minus symbols representing? ________________________3. Test your ideas about attraction and repulsion using the Electric Field Hockey simulation in the Practice mode. with the simulation and think about ideas that help you SCORE!Plan how to: Make a GOAL where puck takes the Shortest amount of time to get a goalDraw your strategy for placing positives or negatives in the picture on the side picture. What rules are you using to determine which direction the puck moves?_____________________________________________________________________________________________What rules are you using to determine how fast the puck moves? ____________________________________________________________________________________________________________________________4. On the diagram beside this question, draw where you might put pucks to get a goal with the fewest pucks. Explain why this works: ______________________________________________________________________________________________________5. How do your observations support, change or add to your ideas about……if two objects will attract and repel? …how strongly they attract or repel? ................
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