NotaHubSains Tahun 4Log Masuk
Home/Catalog/Year 4 Science Notes (ENG)/Chapter 7
7

Chapter 7 · Year 4 Science Notes (ENG)

Energy

Updated: 1 Julai 2026 · Reviewed by Pasukan Editorial NotaHub · Aligned to KSSR DSKP

What is Energy in Year 4 Science (KSSR)?

Energy is the ability to do work. There are various energy sources to generate electricity: sun (solar panels), wind (wind turbines), water (dams), coal, oil, natural gas, nuclear, and biomass.

Chapter Summary

Energy is the ability to do work. There are various energy sources to generate electricity: sun (solar panels), wind (wind turbines), water (dams), coal, oil, natural gas, nuclear, and biomass. Energy can be converted from one form to another — for example, a fan converts electrical energy to kinetic energy.

What You Will Learn

  • ✓Definition of energy and its uses
  • ✓8 energy sources for generating electricity
  • ✓Renewable vs non-renewable energy
  • ✓Energy conversion (electrical → heat, light, sound, kinetic)
  • ✓Effects of energy wastage on the environment
  • ✓Ways to save energy at home and school
Infographic NotesPremium

6 topics with full-colour infographic notes + labelled diagrams

Unlock Chapter 7 — RM19 →or Try Chapter 1 for Free first

Sample Question (Free)

1 of 8 questions

What is the meaning of energy?

  1. AThe ability to do work✓ Correct answer
  2. BA force that pushes objects forward
  3. CThe speed of a moving object
  4. DThe temperature of a substance

+7 more questions for this chapter

80 interactive quiz questions across 10 chapters

Unlock All →

Frequently Asked Questions

What is the meaning of energy?

The ability to do work.

What is taught in the Energy chapter of Year 4 Science?

Energy is the ability to do work. There are various energy sources to generate electricity: sun (solar panels), wind (wind turbines), water (dams), coal, oil, natural gas, nuclear, and biomass. Energy can be converted from one form to another — for example, a fan converts electrical energy to kinetic energy.

What are the main topics in Energy?

Main topics: Definition of energy and its uses; 8 energy sources for generating electricity; Renewable vs non-renewable energy; Energy conversion (electrical → heat, light, sound, kinetic); Effects of energy wastage on the environment; Ways to save energy at home and school.

Confused by a science term? Check the Year 4 Science Glossary (340+ terms) →

← Ch 6All chaptersCh 8 →

All chapters — Year 4 Science Notes (ENG)

Ch 1Ch 2Ch 3Ch 4Ch 5Ch 6Ch 7Ch 8Ch 9Ch 10
NotaHub

Rujukan Digital Pelajar Cemerlang · © 2026 NotaHub

Kamus Sains·Notis Privasi·Terma Penggunaan

Ch 7: Energy

RM19

Buy