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Primero y segundo (first and second grade) Natural Science- Unit 9 Machines - Part 2

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Subido el 7 de junio de 2020 por Plácido J.

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Hello, chicos! 00:00:00
Today, we're going to talk about old and new machines. 00:00:02
Some machines were invented a long time ago. 00:00:08
Now, new machines are better and safer. 00:00:14
They were invented with new technology. 00:00:21
This is an hourglass. 00:00:25
it is an old machine it became a watch which is a new machine this is a typewriter 00:00:31
it's also an old machine it has become a keyboard which is a new machine 00:00:48
let's look at different old and new machines this is an older stethoscope this is a newer 00:01:02
stethoscope it's used by doctors to check if we are healthy these are older glasses these 00:01:18
These are newer glasses. They help people to see. This is an older iron that uses coal. This is a newer iron that uses electricity. It is used to straighten our clothes. 00:01:35
This is a vaccine, vaccine. 00:02:04
It helps protect our body. 00:02:13
This is a wheel, wheel. 00:02:19
It makes transport easier. 00:02:26
This is electricity, electricity. 00:02:32
Many machines work with electricity. 00:02:39
For our next video, we're going to talk about computers, which is also a new machine. 00:02:43
Idioma/s:
en
Autor/es:
Angélica
Subido por:
Plácido J.
Licencia:
Todos los derechos reservados
Visualizaciones:
93
Fecha:
7 de junio de 2020 - 18:31
Visibilidad:
Público
Centro:
CP INF-PRI DANIEL VAZQUEZ DIAZ
Duración:
03′
Relación de aspecto:
1.57:1
Resolución:
576x368 píxeles
Tamaño:
13.12 MBytes

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