Grade 3 · Science · Challenge
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 · Stretch challenge · 8 questions · Version PG-OU6A1F-1U15
1.What happens to pitch as frequency rises?
2.Why can you hear an echo?
3.What is the electromagnetic spectrum?
4.Why does sound travel faster in solids?
5.What energy change occurs in a speaker?
6.What does a switch control?
7.What can happen when light enters water?
8.What affects electromagnet strength?
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
- What happens to pitch as frequency rises?Pitch becomes higher
- Why can you hear an echo?Sound reflects from a surface
- What is the electromagnetic spectrum?The full range of electromagnetic waves
- Why does sound travel faster in solids?Close particles transfer vibrations quickly
- What energy change occurs in a speaker?Electrical energy becomes sound
- What does a switch control?Whether a circuit is open or closed
- What can happen when light enters water?It refracts, or bends
- What affects electromagnet strength?Current, coil turns, and core material
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.