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Electricity, Magnetism, Light & Sound

Grade 2 · Building confidence · 8 questions · Version PG-5QGDNZ-8AVC

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

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. Why does a shadow form?An object blocks light
  2. What does a switch control?Whether a circuit is open or closed
  3. How do you see an object?Reflected light enters your eyes
  4. Name a good electrical conductor.Copper
  5. What do opposite magnetic poles do?Attract
  6. What makes sound?Vibrations
  7. What gives a flashlight energy?A battery
  8. What do like magnetic poles do?Repel

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.