📖 Science glossary A–Z
Child-friendly definitions with examples, pronunciation, and Chinese (中文) and Malay (Bahasa Melayu) translations where helpful.
💡 Circuit /SIR-kit/ · 电路 · litar
A round-and-round path that electricity travels along.
A complete loop that lets electricity flow.
Example: A battery, wires and a bulb in one unbroken loop make a circuit. · Related: electricity, switch, bulb
💧 Condensation /kon-den-SAY-shun/ · 凝结 · pemeluwapan
Water appearing on a cold glass — it came from the air!
The change of a gas into a liquid.
Example: Droplets on the outside of a cold drink are water vapour from the air turning back into liquid. · Related: evaporation, water cycle, cloud
🔌 Conductor /kon-DUK-ter/ · 导体 · pengalir
A material that lets electricity pass through.
A material that lets electricity or heat flow through it easily.
Example: Metal wires are conductors — that is why they are used in circuits. · Related: insulator, circuit, metal