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Electricity, Magnetism, Light & Sound

Kindergarten · On-level practice · 8 questions · Version PG-1005CCK-GS42

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

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 9
  1. What gives a flashlight energy?A battery
  2. What happens in an open circuit?Current does not flow
  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 do like magnetic poles do?Repel
  7. How do you see an object?Reflected light enters your eyes
  8. Which common metal is magnetic?Iron

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.