Mixtures & Solutions ( Science )

Hello and welcome to Andrew’s Articles! Today we will be talking about mixtures and solutions.

A mixture is the process of combining two or more substances that can be easily separated. A solution is the process of one substance dissolving into another substance that cannot be easily separated. A compound is a thing that is composed of two or more separate elements.

On day 1, we worked with salt, gravel, water, and diatementous earth. We combined the substances to see if they were a mixture or solution. We tested six combinations.Three were mixtures and three were solutions. Some of the things we combined were, salt and gravel, water and gravel, water and salt, salt and diatementous earth, and diatementous earth and water. It got messy quickly. We had measuring spoons to measure everything out, 1 ml, 2 ml, 5 ml, 15 ml, and 25 ml. To measure the water we had a measuring cup made out of plastic with all of the different measurements on them.

On day 2, we worked with cards and sheets of paper. We had a few activities, they were called, Match it, Explain it, Sort it, and the last one was called mixtures. This one really had all the information on it was mixtures. We had time to play mixtures and sort it. In mixtures, you had a cup filled with multicolored letter cubes. There were instructions, and the next step was to separate the cubes by color, and put the blue and green back in the cup, and found out that they were not easily separated. The sort it game was different. Their were cards and categorized sheet to sort the cards on. The categories were mixture, solution, and compound. Some of the words on the cards were salt and water, sand and water,  sand and iron filings, soda, water, air, and more. We sorted the cards into the correct location.

On day 3, We also combined colored sugar with water, vinegar, and vegetable oil. We had to make hypotheses at first. For our first experiment of combining the colored sugar with the water. Our hypothesis was, “ If we mix 1 tsp of colored sugar & 25 ml water, then it will dissolve and turn into a solution. “ Well it did dissolve and it turned into a solution. When we first dumped the colored sugar into the water, it didn’t really dissolve at first. But then after we kept mixing, it all dissolved. Our hypothesis was confirmed.  For our second experiment of combining colored sugar and of oil. Our hypothesis was, “ If we mix 1 tsp of colored sugar and 25 ml of oil, then it will dissolve slower.” I didn’t really dissolve since the oil was thicker, so clearly thicker substances do not dissolve solutes. We mixed it around but still nothing happened. Our hypothesis was not confirmed. For our third experiment of mixing colored sugar with vinegar. Our hypothesis was,” If we mix 1 tsp of colored sugar and 25 ml of vinegar, then the sugar will dissolve into the vinegar just like how it dissolved until the water.” Sure enough, the colored sugar did dissolve. When it first came in contact with the vinegar, it sat there before dissolving with the sugar.

That’s it for this post folks!

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