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Electricity, Magnetism, Light & Sound

Kindergarten · Stretch challenge · 8 questions · Version PG-1OM28OW-16K7

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1.What does a switch control?
2.Name a good electrical conductor.
3.What do opposite magnetic poles do?
4.Why does a shadow form?
5.What makes sound?
6.What gives a flashlight energy?
7.What happens in an open circuit?
8.How do you see an object?

Answers and teaching notes

Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.

Show answers for version 10
  1. What does a switch control?Whether a circuit is open or closed
  2. Name a good electrical conductor.Copper
  3. What do opposite magnetic poles do?Attract
  4. Why does a shadow form?An object blocks light
  5. What makes sound?Vibrations
  6. What gives a flashlight energy?A battery
  7. What happens in an open circuit?Current does not flow
  8. How do you see an object?Reflected light enters your eyes

Worked example

Use a model to track energy, forces, and waves through a system.

Common mistake

Assuming energy travels without a path or medium.

Helpful hint

Draw the source, path, interaction, and result.