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Electricity, Magnetism, Light & Sound

Grade 2 · Building confidence · 8 questions · Version PG-PILVFU-8AVC

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1.Why does a shadow form?
2.Name a good electrical conductor.
3.How do you see an object?
4.What do like magnetic poles do?
5.What makes sound?
6.What happens in an open circuit?
7.What does a switch control?
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 3
  1. Why does a shadow form?An object blocks light
  2. Name a good electrical conductor.Copper
  3. How do you see an object?Reflected light enters your eyes
  4. What do like magnetic poles do?Repel
  5. What makes sound?Vibrations
  6. What happens in an open circuit?Current does not flow
  7. What does a switch control?Whether a circuit is open or closed
  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.