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Hello, we are Laura Valdepeñas, Lucia Navarra and Carmen Rodríguez

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and we are going to show you the elements that we have to use to do this project that is called Different Densities.

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We have to use a glass, water, liquid colorant, oil, liquid glycerin that we are going to dissolve in few minutes,

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a piece of nickel, a plug and a grate.

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Now we are going to dissolve the glycerin.

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Now we have the glycerin dissolved, we are going to put the oil and then the water.

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We see the different layers that forms.

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Here is the glycerin, here the water and here the oil.

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We are going to put the colorant in some layers dissolved and in other not.

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The layers are formed, here is the glittering, then the water and then the oil.

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But the glittering and the water is not distinguished but they are made the layers.

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And now I am going to put the first element that is a piece of nitro.

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The second object we are going to put is the grape.

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And we see that it stays in one layer.

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And now I'm going to put the last object that is the blue.

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As you can see it stays in the last layer as it's less dense.

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As the color is yellow we can appreciate the different layers about the glycerin and the water.

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but here we see that it's a thin layer of glittering and then the layer of the

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water and this has been evaporated of different densities