Question | Answer |
ammeter | Measures how much electricity is flowing around a circuit |
amp | The unit for current |
cell | A source of electricity with a low 'energy'. Cells push electrons round a circuit. |
circuit | A complete loop that electricity flows around |
component | Something in a circuit, like a bulb, switch or motor |
conductor | A material that lets electricity flow through it |
electric current | The flow of electricity around a ciruit |
insulator | A material that does not let electricity flow through it |
mains (electricity) | Alternating current at 230 V provided to houses, shops, etc |
power pack | A source of electricity with a low energy (low voltage) |
switch | Turns electricity on or off, by closing or opening a gap in a circuit |
voltage | A way of saying how much energy is transferred by electricity |
atom | Th smallest part of an element |
electric current | The flow of electrons around a circuit |
electrical energy | The kind of energy carried by electricity |
electron | Tiny particle that flows around a circuit |
filament | Thin piece of wire inside a light bulb that glows when electricity is flowing through it |
model | A scientific way of thinking about how things happen |
resistance | A way of saying how difficult it is for electricity to flow through something |
resistor | A component that makes it difficult for electricity to flow |
variable resistor | A resistor that can be adjusted to change the amount of reistance it has |
voltage | A way of saying how much energy is transferred by electricity |