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Electricity, Magnetism, Light & Sound

Grade 1 · On-level practice · 8 questions · Version PG-75UC0-1BHG

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

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 15
  1. How do you see an object?Reflected light enters your eyes
  2. Why does a shadow form?An object blocks light
  3. Which common metal is magnetic?Iron
  4. Name a good electrical conductor.Copper
  5. What gives a flashlight energy?A battery
  6. What happens in an open circuit?Current does not flow
  7. What do opposite magnetic poles do?Attract
  8. What makes sound?Vibrations

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.