Technology is the group of methods and processes used in the production of tools to help and simplify some works.
A machine is a tool containing one or more parts that uses energy to perform a specific action.
We can find:
- Machines that use mechanical energy to set a force or body in motion: muscles, animals, wind…
- Machines that use electrical energy: bulbs, appliances, generators…
- Machines that use other forms of energy: combustion engines, solar panels…
A component is an element that performs a function in a machine. We can find:
- Simple machines: they have a few components. Scissors, wheelbarrow…
- Compound machines: they have a lot of components. Cars, planes…
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