Today in chemicals and chaos we were learning about mixtures and the huge vocabulary of words involved with this subject. We had the pre-test to see what we already knew about mixtures and I got 94% out of 100%. After we did the pre-test we learned a little about it and after that, we did an experiment with sugar and water.
What is a mixture?
A mixture is a substance made by combining different substances together.
What is dissolving?
Dissolving something is when you are making the substance part of the mixture.
How could you speed up dissolving?
You could use hot water, Use a fine powder, or stir it in.
Can everything dissolve?
Soluble - Something that can dissolve in water.
Insoluble - Something that can not dissolve in water.
EXPERIMENT -
Equipment -
50ml of cold water + 1 spatula sugar x2
50ml of warm water + 1 spatula sugar x2
Method -
1. Add one spatular of sugar into the cold water and mix until dissolved making sure to time it from when you first put it into when it is finished dissolving.
2. Add one spatular of sugar into the warm water and mix until dissolved making sure to time it from when you first put it into when it is finished dissolving.
3. Add one spatular of sugar into the cold water and leave it making sure it is not disturbed and wait until it is dissolved making sure to time it from when you first put it into when it is fully dissolved.
4. Add one spatular of sugar into the warm water and leave it making sure it is not disturbed and wait until it is dissolved making sure to time it from when you first put it into when it is fully dissolved.
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