List of devices

Lis forLever

A lever is a rod that pivots around a fixed point called a fulcrum. Levers can be used to lift heavy objects or as part of a machine.

Devices

Photo by James Bowe

A light bulb is a device that converts electricity into light, so you can see when it is dark. The picture is of an incandescent light bulb, which works by running electricity through a filament, which glows white hot. Other kinds of light bulb work in different ways, but they all convert electricity to light.

Devices

Photo by Andrew Smith

Lis forLight switch

Light switches are usually mounted on walls near a door frame. They are used to turn a light on or off.

Devices

Photo by (nutmeg)

Lis forLock

A lock is a fastening something that only someone who has the key or code can open. Locks are usually on doors, cupboards and safes. Locks are meant to keep people in or out, or keep things safe.

Devices

Photo by Cláudia Assad

Mis forMachine

A machine is a device with many parts that work together to accomplish a task. Cars, computers, telephones and many other things we use every day are machines.

Devices

Photo of a man looking through a magnifying glass

Photo by Casey Fleser

Mis forMagnifying glass

A magnifying glass is a glass lens mounted in a frame with a handle. When you look through a magnifying glass at something, it appears much bigger. You use magnifying glasses to see details on things you couldn't normally see.

Devices

Photo by Ricardo Saffi Marques

Mis forMatches

A match is a small stick with chemicals at one end that catch fire if they are rubbed along a rough surface. Matches are usually sold in a matchbox or matchbook that has a rough edge on one side to strike your matches on. Matches are used to light fires, candles and smoking devices like cigarettes. Match can also mean things that are similar in some way.

Devices, Tools, Pyro