Grade 4 · Science · Challenge
Free Electricity, Magnetism, Light & Sound worksheet - version 16
Grade 4 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 4 · Stretch challenge · 8 questions · Version PG-1PG9WSU-T6HC
1.Why are parallel circuit branches useful?
2.What does a switch control?
3.What is the electromagnetic spectrum?
4.Why can you hear an echo?
5.Why does sound travel faster in solids?
6.What happens to pitch as frequency rises?
7.What energy change occurs in a speaker?
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 16
- Why are parallel circuit branches useful?Each branch can operate independently
- What does a switch control?Whether a circuit is open or closed
- What is the electromagnetic spectrum?The full range of electromagnetic waves
- Why can you hear an echo?Sound reflects from a surface
- Why does sound travel faster in solids?Close particles transfer vibrations quickly
- What happens to pitch as frequency rises?Pitch becomes higher
- What energy change occurs in a speaker?Electrical energy becomes sound
- 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.