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Machine

Adapted from Wikipedia · Explorer experience

A detailed model of an engine, perfect for learning about how machines work!

What is a Machine?

A machine is a special tool that helps us do work more easily. Machines can move things, lift heavy loads, or help with many tasks. They use power from people, animals, wind, water, or electricity to do their jobs.

Machines have been around for a very long time. One of the oldest machines is the hand axe. It was made from stone and helped people cut and shape wood. Over time, people made more and more machines to make life easier.

Simple Machines

Long ago, smart people found six basic machines. These are called simple machines. They are the building blocks for many machines we use today. The six simple machines are:

  • Lever: A bar that moves on a point. It can lift heavy things with a small push.
  • Wheel and axle: A wheel with a smaller rod in the middle. It makes it easier to move things by rolling.
  • Pulley: A wheel with a rope. It changes the direction of a pull.
  • Inclined plane: A ramp. It makes it easier to lift things by going up slowly.
  • Wedge: A piece that gets thinner at one end. It can split things apart or hold them together.
  • Screw: A spiral shape. It holds things together or moves them up.

Machines Everywhere!

Today, machines are all around us. We use them at home, at school, and even when we play. Here are some places you might see machines:

  • Homes: Appliances like refrigerators and washing machines help us with chores.
  • Schools: Computers help us learn and play games.
  • Outside: Vehicles like trains, automobiles, boats, and airplanes take us on adventures.

Machines make our lives easier and more fun! They help us do big jobs quickly and safely.

A Glimpse from the Past

A worker operating a milling machine in the early 20th century

Long ago, people used machines to make things in factories. This picture shows a worker using a milling machine. Machines have been helping people for many years!

Images

An ancient Greek mechanical device called the Antikythera Mechanism, used to track astronomical positions and calendar dates.
An ancient flint hand axe discovered in Winchester, showcasing early human tool-making.
An 1880 drawing of James Albert Bonsack's cigarette rolling machine, an important invention in the history of manufacturing.
An old diagram showing principles of mechanics from an 18th-century science encyclopedia.
Technical drawing showing mechanical motion from an old engineering textbook.
An 18th-century diagram of a steam engine designed by Boulton & Watt, showing its various mechanical parts and how they work together.
An old electric power plant that has been turned into a museum, showing interesting machinery and industrial history.
An early mechanical calculator called an arithmometer, invented in the 1800s and displayed in a museum in Stockholm.
A historical woodcut illustration showing a water wheel, from a 1556 book on metallurgy.
A historic steam engine from 1832 that once powered the Royal Spanish Mint. Now on display at a university in Madrid.

Related articles

Hand axe
Lever
Wheel and axle
Wheel
Pulley
Inclined plane

This article is a child-friendly adaptation of the Wikipedia article on Machine, available under CC BY-SA 4.0.

Images from Wikimedia Commons. Tap any image to view credits and license.