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Electricity, Magnetism, Light & Sound

Grade 2 · Building confidence · 8 questions · Version PG-5GGRZ0-8AVC

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

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 10
  1. What makes sound?Vibrations
  2. Which common metal is magnetic?Iron
  3. What gives a flashlight energy?A battery
  4. Why does a shadow form?An object blocks light
  5. What do like magnetic poles do?Repel
  6. Name a good electrical conductor.Copper
  7. How do you see an object?Reflected light enters your eyes
  8. What happens in an open circuit?Current does not flow

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.