PencilGo

Electricity, Magnetism, Light & Sound

Grade 5 · On-level practice · 8 questions · Version PG-1B80UEK-PK8Q

Free printable
1.Why does a shadow form?
2.What is the electromagnetic spectrum?
3.Why are parallel circuit branches useful?
4.What energy change occurs in a speaker?
5.What affects electromagnet strength?
6.What happens to pitch as frequency rises?
7.What can happen when light enters water?
8.Why does sound travel faster in solids?

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 15
  1. Why does a shadow form?An object blocks light
  2. What is the electromagnetic spectrum?The full range of electromagnetic waves
  3. Why are parallel circuit branches useful?Each branch can operate independently
  4. What energy change occurs in a speaker?Electrical energy becomes sound
  5. What affects electromagnet strength?Current, coil turns, and core material
  6. What happens to pitch as frequency rises?Pitch becomes higher
  7. What can happen when light enters water?It refracts, or bends
  8. Why does sound travel faster in solids?Close particles transfer vibrations quickly

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.