← 3.1 Transformation of Energy
What energy is
Integrated Science · Grade 8 · about 40 minutes
Why nothing happens without energy, what a joule is, and how big everyday amounts are.
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Lessons are for learners and teachers with an account. Browsing the curriculum — subjects, strands and what each sub-strand covers — stays open to everyone.
- 7 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- What energy is
- Forms of energy
- Kinetic and potential energy
- Chemical energy
- Heat and light energy
- Sound and electrical energy
- What energy transformation means
- Energy in a torch
- Energy in an electric motor
- Energy in a generator
- Energy from the sun
- Energy transformation chains
- Energy in living things
- The law of conservation of energy
- Useful and wasted energy
- Showing energy on a diagram
- Building an energy device
- Energy transformations at home
- Using energy carefully
- Where Kenya gets its energy