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Electricity, Magnetism, Light & Sound

Grade 1 · Building confidence · 8 questions · Version PG-PM9F0V-14S4

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1.What does a switch control?
2.What gives a flashlight energy?
3.Which common metal is magnetic?
4.What do opposite magnetic poles do?
5.What do like magnetic poles do?
6.What happens in an open circuit?
7.Why does a shadow form?
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. What gives a flashlight energy?A battery
  3. Which common metal is magnetic?Iron
  4. What do opposite magnetic poles do?Attract
  5. What do like magnetic poles do?Repel
  6. What happens in an open circuit?Current does not flow
  7. Why does a shadow form?An object blocks light
  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.