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Electricity, Magnetism, Light & Sound

Grade 1 · On-level practice · 8 questions · Version PG-1B493W-1BHG

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

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 11
  1. What happens in an open circuit?Current does not flow
  2. What gives a flashlight energy?A battery
  3. What do opposite magnetic poles do?Attract
  4. What do like magnetic poles do?Repel
  5. How do you see an object?Reflected light enters your eyes
  6. Why does a shadow form?An object blocks light
  7. What makes sound?Vibrations
  8. Name a good electrical conductor.Copper

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.