Which item is most reliably picked up by a classroom magnet?
Glass bead
Iron nail
Aluminium foil
Copper coin
Trivia for Kids 8–14 · Mixed
Magnets and Circuits
Ten fresh questions for ages 8–14 exploring magnets and circuits. Mixed difficulty with explanations and host verification notes in the import file.
A battery-powered torch goes off when its switch opens because…
The light is trapped inside
The bulb gains energy
The conducting path breaks
The battery becomes heavier
Two north magnetic poles approach each other. They…
Repel
Always attract
Lose all magnetism
Fuse
Which material is a sensible outer covering for an electrical cable?
Steel mesh alone
Insulating plastic
Bare copper
Aluminium foil alone
Add another identical bulb in series to a simple battery circuit. The bulbs usually become…
Brighter
Battery-free
Different colours necessarily
Dimmer
True or false: Cutting a bar magnet in half normally creates two smaller magnets, each with two poles.
True
False
Why are home lights normally wired in parallel?
Each bulb must dim the others
It removes the need for wires
One can work while another is off
Every lamp must share one switch
An electromagnet releases a steel scrap load when…
Its current is switched off
Its paint dries
Its pole is renamed
Its cable is made longer only
A fuse protects a circuit when its thin wire…
Cools every appliance equally
Stores excess voltage forever
Makes current reverse daily
Melts if current is excessive
A generator and an electric motor reverse which energy conversion?
Sound and chemical energy
Motion and electrical energy
Light and nuclear energy
Heat and stored food energy