Grade 3 · Science · Building Confidence
Free Electricity, Magnetism, Light & Sound worksheet - version 20
Grade 3 electricity, magnetism, light & sound practice with original questions, explanations, and difficulty-matched printable versions. This printable version includes 8 grade-appropriate questions and a separate answer sheet.
Electricity, Magnetism, Light & Sound
Grade 3 · Building confidence · 8 questions · Version PG-5BH2PI-127M
1.Why can you hear an echo?
2.How do you see an object?
3.Why does a shadow form?
4.What does a switch control?
5.What happens to pitch as frequency rises?
6.What energy change occurs in a speaker?
7.Name a good electrical conductor.
8.What do opposite magnetic poles do?
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 20
- Why can you hear an echo?Sound reflects from a surface
- How do you see an object?Reflected light enters your eyes
- Why does a shadow form?An object blocks light
- What does a switch control?Whether a circuit is open or closed
- What happens to pitch as frequency rises?Pitch becomes higher
- What energy change occurs in a speaker?Electrical energy becomes sound
- Name a good electrical conductor.Copper
- What do opposite magnetic poles do?Attract
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.