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Electricity, Magnetism, Light & Sound

Grade 2 · On-level practice · 8 questions · Version PG-Q9YNF9-KW5O

Free printable
1.Why does a shadow form?
2.Name a good electrical conductor.
3.What do like magnetic poles do?
4.What does a switch control?
5.What do opposite magnetic poles do?
6.What energy change occurs in a speaker?
7.How do you see an object?
8.What can happen when light enters water?

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 15
  1. Why does a shadow form?An object blocks light
  2. Name a good electrical conductor.Copper
  3. What do like magnetic poles do?Repel
  4. What does a switch control?Whether a circuit is open or closed
  5. What do opposite magnetic poles do?Attract
  6. What energy change occurs in a speaker?Electrical energy becomes sound
  7. How do you see an object?Reflected light enters your eyes
  8. What can happen when light enters water?It refracts, or bends

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.