Grade 3 · Science · On Level
Free Electricity, Magnetism, Light & Sound worksheet - version 7
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 · On-level practice · 8 questions · Version PG-191A4QT-JMEH
1.Why can you hear an echo?
2.What does a switch control?
3.How do you see an object?
4.What do opposite magnetic poles do?
5.What can happen when light enters water?
6.What happens to pitch as frequency rises?
7.What energy change occurs in a speaker?
8.Name a good electrical conductor.
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 7
- Why can you hear an echo?Sound reflects from a surface
- What does a switch control?Whether a circuit is open or closed
- How do you see an object?Reflected light enters your eyes
- What do opposite magnetic poles do?Attract
- What can happen when light enters water?It refracts, or bends
- 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
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.