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Unit 2 chapter 2
study guide
Question | Answer |
---|---|
Why does sugar dissolve in water, but pepper does not. | Sugar dissolves because their molecules are attracted to each other so they mix evenly. Pepper doesn't dissolve because I could see the clumps of it. |
What happens when you mix a solid with a liquid. | If their molecules are attracted to each other the solid will dissolve. If not the will clump together. |
When the molecules of a solid _____ attracted to the molecules of the liquid the spread apart. | are |
when the molecules of a solid _____ attracted to the molecules of a liquid they start clustering together as a solid. | aren't |
___________ work to ensure that the products they develop have the desired properties. | food scientist |
When you mix a solid into a liquid until you cannot see it, it has ______. | dissolved |
if a substance is soluble, it means that it ___ dissolve in water or that the substances molecules are attracted to water | can |
If a substance is not soluble, it means that is cannot dissolve in water or that the substances molecules are not attracted. | cannot |
_______ show things that are to small to observe but can help explain what is observable. | models |
Dissolve | to mix evenly into a liquid by breaking apart into pieces that are too small to see. |
Soluble | able to dissolve in water or another liquid. |