⚡
Lecție 2
Electricity and circuits
📖 Lecție
──▶
🎯 Quiz — alege traducerea
──▶
✅ Lecție parcursă
Electricity is a flow of tiny particles — electrons. Current only flows in a closed circuit: battery → wire → bulb → back. Break it — the light goes out.
⚠ Water conducts electricity — no hairdryer near the bath! A socket is not a toy.
🍎
Gravitație
🧲
Magnetism
🛞
Frecare
💨
Rezistența aerului
⚖️
Greutate
↔️
Împingere & tragere