Changing Circuits: Symbols, Voltage and Brightness

Take your circuit skills further in Year 6. Learn the standard circuit symbols, draw circuit diagrams, and investigate how the number and voltage of cells changes how bright a lamp glows or how loud a buzzer sounds.

Tutwoo Kids is an independent learning service. This course is not affiliated with or endorsed by the Department for Education, Ofqual or any exam board, and Tutwoo Kids certificates are not qualifications. Content was checked against the national curriculum for England in October 2026.