Grade 3 · Science · Building Confidence
Free Electricity, Magnetism, Light & Sound worksheet - version 1
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-J4SYEN-127M
1.What energy change occurs in a speaker?
2.What happens to pitch as frequency rises?
3.What do opposite magnetic poles do?
4.What can happen when light enters water?
5.How do you see an object?
6.Why can you hear an echo?
7.Name a good electrical conductor.
8.What does a switch control?
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 1
- What energy change occurs in a speaker?Electrical energy becomes sound
- What happens to pitch as frequency rises?Pitch becomes higher
- What do opposite magnetic poles do?Attract
- What can happen when light enters water?It refracts, or bends
- How do you see an object?Reflected light enters your eyes
- Why can you hear an echo?Sound reflects from a surface
- Name a good electrical conductor.Copper
- What does a switch control?Whether a circuit is open or closed
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.