Segundo materials change
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Shyla nos explica el tema de matter
Hello class! It's your teacher Shaila. Today we will continue with our topic,
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matter and materials, and we will learn all about how materials change.
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Let's start with this box up here that has a lot of information for us about how materials change.
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There are three states of matter, solid, liquid, or gas.
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We can change materials by heating, cooling, or bending them.
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When we freeze water, it becomes a solid.
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When we heat water, it evaporates and becomes a gas.
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For exercise one, I will explain a bit more about what bending, heating, and cooling are so that we
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can match each word to the correct picture. First, we have bending. Bending is to use force to cause
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something to become curved or bent. You can bend any material that is flexible.
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Next we have heating. Heating is energy that causes things to become warmer and
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hotter. Materials can be heated by fire, electricity, or sunlight. And finally
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cooling. Cooling is when a material loses heat and its temperature goes down so it
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becomes cold or colder than it was before. Let's look at these three
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pictures. First we have bending. Do you think that this picture of a pot being
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warmed up on a stove is bending or this picture of the plasticine being put into
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a different shape? Yes, correct. This picture right here with the hands are
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bending the material. Next we have heating. Do you think that the pot or the
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refrigerator shows heating excellent yes the pot is heating up on the stove and
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finally we have cooling which will be the refrigerator we put food into the
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refrigerator or the freezer to keep it cool so that you can still eat it for a
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long time. Next I want you to write heating, cooling, or bending. In this first picture
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we see water and a pot with steam coming from the top.
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Steam is water that is very hot and it becomes gas form. So in this first image you will write
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underneath heating. Next we have a picture of water becoming ice. It is turning into ice which
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is a solid form of water. Now tell me do you think that this picture is an example of cooling
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of water or bending of water? Please write what you think underneath cooling or bending.
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Finally, we have a piece of paper.
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In this paper, you can see that it has been folded into smaller squares.
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So they have changed the shape of the original paper.
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This folding is an example of bending the paper.
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So you can write bending beneath the picture of paper.
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- Idioma/s:
- Autor/es:
- Beatriz
- Subido por:
- Beatriz C.
- Licencia:
- Reconocimiento - No comercial
- Visualizaciones:
- 16
- Fecha:
- 16 de abril de 2020 - 11:13
- Visibilidad:
- Clave
- Centro:
- CP INF-PRI SAN PABLO
- Duración:
- 04′ 39″
- Relación de aspecto:
- 16:9 Es el estándar usado por la televisión de alta definición y en varias pantallas, es ancho y normalmente se le suele llamar panorámico o widescreen, aunque todas las relaciones (a excepción de la 1:1) son widescreen. El ángulo de la diagonal es de 29,36°.
- Resolución:
- 848x480 píxeles
- Tamaño:
- 44.15 MBytes
