Machines
We use machines in many different ways. Machines help to make our work easier. We use them every day. We use different machines for different things. What we use a machine for is called its function. We use cars for travelling, washing machines for washing clothes and diggers for digging holes in the ground. In this unit we are going to learn about machines, their different functions and how they work.
Esta secuencia contiene:
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7 actividades
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21 recursos
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Idioma:
- Inglés
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Formato:
Interactivo
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Secuencia didáctica
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We use machines in many different ways. Machines help to make our work easier. We use them every day. We use different machines for different things. What we use a machine for is called its function. [...]
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What are machines? Machines make our work easier because they help us to do different things. There are two types of machines: simple machines and compound machines. Simple machines Levers A basic lever is a bar with a fulcrum at one end. [...]
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What are compound machines? Compound machines are made up of various simple machines. Scissors, pliers, gears, bikes and cars are examples of compound machines. Pliers Pliers are made up of two levers that use the same fulcrum. [...]
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Machines at home We use lots of different machines in our homes. Many of these machines need electricity. We call these machines electrical appliances. We use fridges to keep food cold so we can keep it for a longer time. [...]
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We use machines in many different ways. Machines help to make our work easier. We use them every day. We use different machines for different things. What we use a machine for is called its function. [...]
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Make an electric generator What do we need? A wooden ruler. A pencil. Adhesive tape. A bicycle dynamo (alternator). String. A 1.5 volt light bulb. Scissors. Electrical cable. [...]
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We use machines in many different ways. Machines help to make our work easier. We use them every day. We use different machines for different things. What we use a machine for is called its function. [...]
![These pictures show a type of pulley. [...] | Recurso educativo 525884](http://93.90.31.196/uploads/contents/2014/05/19/525884_1400529377_s.png)
![Find the names of 10 machines in the word search. [...] | Recurso educativo 525886](http://93.90.31.196/uploads/contents/2014/05/19/525886_1400529379_s.png)
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