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Today we are going to do an experiment to prove some qualities of salt and fresh water.

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We are going to see which water, salted or fresh, stays more time hot after boiling and which one boils first.

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Let's start with the experiment.

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The first step is to create salt water.

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As 1 liter of salted water has 35 grams of salt and we are going to do only 500 milliliters of water,

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we have to put 17.5 grams of salt we are also going to put into our experiment a

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type of water with much more salt to see if it makes any difference let's make it

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we are going to put 30 grams of salt to this 500 milliliters of water we are going to

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put this salt into the water let's put a 500 milliliters of fresh water in this

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cup. Let's see at what temperature is our fresh water now. We are going to heat up the water to

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see at what point it boils. Okay, now we're going to see at what temperature is our salt water.

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Our third type of water is the one that has more salt than the other two.

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Now let's see how much time salt water needs to get cold after boiling.

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As you can see the temperature decreases very very slowly because water has a very high heat capacity.

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As you can see our hypothesis was correct and the water with much more salt was the one that takes more time hot after boiling.