Learn to recognise different circuit symbols with these interactive learning resources for KS2 Science students aged 7-11 from BBC Bitesize. ... Cells convert chemical energy into electrical energy.

Scientists use the periodic table to quickly refer to information about an element, like atomic mass and chemical symbol. The periodic table’s arrangement also allows scientists to discern trends in ...

Remarkably, the B/C mats conserved much less energy than the C/B mats, although similar amounts of light and chemical energy were available. ... (open symbols) and in the dark (closed symbols).