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Segundo de primaria (Second grade) Natural Science Unit 9 Machines.
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Hello chicos! Today we're going to learn about machines.
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There are different kinds of machines.
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Simple and complex machines.
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Simple machines are only made up of a few pieces.
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Complex machines are made up of many pieces.
00:00:22
This is a rake, rake. It is a simple machine. This is a hammer, hammer. It is a simple machine.
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this is a lamp lamp it is a complex machine this is a spanner spanner it is a simple machine this
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is a lawnmower lawnmower it is a complex machine there are also automatic and
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manual machines manual machines like a hammer work with human energy automatic
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machines like a lamp work with petrol or electricity machines also help us do our
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jobs for activities a hammer or a drill help us to apply force a lamp gives us
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light a train or a bus help us in travel a lorry helps us transport things this
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is a dishwasher dishwasher it helps us clean dishes this is an mp3 player
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mp3 player it plays music for us to relax tv presenters use cameras and microphones
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to report the news or entertain you doctors use scales
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and thermometers to check if we are healthy.
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Thank you so much for listening.
00:03:06
- Idioma/s:
- Autor/es:
- Angélica
- Subido por:
- Plácido J.
- Licencia:
- Todos los derechos reservados
- Visualizaciones:
- 107
- Fecha:
- 30 de mayo de 2020 - 20:20
- Visibilidad:
- Público
- Centro:
- CP INF-PRI DANIEL VAZQUEZ DIAZ
- Duración:
- 03′ 13″
- Relación de aspecto:
- 1.00:1
- Resolución:
- 368x368 píxeles
- Tamaño:
- 10.14 MBytes
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