Grade 3 · Science · On Level
Free Electricity, Magnetism, Light & Sound worksheet - version 10
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-EJ0G7T-JMEH
1.Why can you hear an echo?
2.What can happen when light enters water?
3.What energy change occurs in a speaker?
4.What do opposite magnetic poles do?
5.What do like magnetic poles do?
6.What does a switch control?
7.Name a good electrical conductor.
8.What happens to pitch as frequency rises?
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
- Why can you hear an echo?Sound reflects from a surface
- What can happen when light enters water?It refracts, or bends
- What energy change occurs in a speaker?Electrical energy becomes sound
- What do opposite magnetic poles do?Attract
- What do like magnetic poles do?Repel
- What does a switch control?Whether a circuit is open or closed
- Name a good electrical conductor.Copper
- What happens to pitch as frequency rises?Pitch becomes higher
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.