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Hi, everybody. Good to see you today. We are going to talk about what sinks and what floats.

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I have some cool objects, so make sure you pay attention, okay?

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Here we are. I have two glass containers right here.

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Two containers, and if you remember from earlier, glass is transparent, so you can see through it.

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Can you see my fingers on the other side? They look funny, but glass is transparent, so you can see them.

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So is water. So we're going to see what sinks and what floats.

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First, let's look at a bottle cap. Do you think it'll sink or float?

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Let's find out!

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Look! The bottle cap floats on top of the water.

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See? It floats on top of the water.

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What about a rock? Do you think a rock will sink or float?

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Let's check. Look, the rock sunk all the way to the bottom. See, the cap is on top and the rock

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is all the way at the bottom. What about cotton? Do you think cotton will sink or float? Let's see.

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Oh, look, cotton sinks once it gets wet. See, so the cotton sunk all the way to the very bottom.

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So the rock sunk and the cotton sunk, but the plastic cap float. What about paper?

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Do you think paper will sink or float? Let's see. Ah look, paper has floated on

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the top. See paper is on the very top. What about a grape? Mmm I love grapes. Do

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you think a grape will sink or float? Let's see. Look, the grape sunk. What about another

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grape? It also sunk. As you see, the grapes are on the bottom and they sunk just like

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the cotton sunk and the rock sunk. What about metal? What about this piece of metal? Metal

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heavy, so do you think it'll sink or float? Let's find out. Ah, look, the piece of

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metal right here also sunk to the bottom, just like the grapes sunk, the cotton

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sunk, and the rock sunk. So what stayed on top? We have a bottle cap, another bottle

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cap, and the piece of paper. That's all for today. Bye!