Grade 3 · Science · Challenge
Free Electricity, Magnetism, Light & Sound worksheet - version 14
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-PY4OTB-1U15
1.Why can you hear an echo?
2.What is the electromagnetic spectrum?
3.What affects electromagnet strength?
4.Why does a shadow form?
5.What does a switch control?
6.Why are parallel circuit branches useful?
7.Why does sound travel faster in solids?
8.What can happen when light enters water?
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 14
- Why can you hear an echo?Sound reflects from a surface
- What is the electromagnetic spectrum?The full range of electromagnetic waves
- What affects electromagnet strength?Current, coil turns, and core material
- Why does a shadow form?An object blocks light
- What does a switch control?Whether a circuit is open or closed
- Why are parallel circuit branches useful?Each branch can operate independently
- Why does sound travel faster in solids?Close particles transfer vibrations quickly
- What can happen when light enters water?It refracts, or bends
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.