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Electricity, Magnetism, Light & Sound

Grade 2 · Building confidence · 8 questions · Version PG-OON2CX-8AVC

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1.How do you see an object?
2.Name a good electrical conductor.
3.What happens in an open circuit?
4.What do like magnetic poles do?
5.Which common metal is magnetic?
6.What does a switch control?
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 6
  1. How do you see an object?Reflected light enters your eyes
  2. Name a good electrical conductor.Copper
  3. What happens in an open circuit?Current does not flow
  4. What do like magnetic poles do?Repel
  5. Which common metal is magnetic?Iron
  6. What does a switch control?Whether a circuit is open or closed
  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.