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Electricity, Magnetism, Light & Sound

Grade 2 · Building confidence · 8 questions · Version PG-7ODLIS-8AVC

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1.What happens in an open circuit?
2.What gives a flashlight energy?
3.What do like magnetic poles do?
4.How do you see an object?
5.What does a switch control?
6.Name a good electrical conductor.
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 18
  1. What happens in an open circuit?Current does not flow
  2. What gives a flashlight energy?A battery
  3. What do like magnetic poles do?Repel
  4. How do you see an object?Reflected light enters your eyes
  5. What does a switch control?Whether a circuit is open or closed
  6. Name a good electrical conductor.Copper
  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.