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unit 2 study guide
Question | Answer |
---|---|
Why does sugar dissolve in water, but pepper does not | However, I know the sugar is still there because the water tasted sweet. Pepper is not soluble in water because I could see clumps of it in the water after stirring. This must mean the molecules of pepper and water have a low attraction to each other. |
What happens when you mix a solid into a liquid | If their molecules are attracted to each other the solid will dissolve. If not, they will cluster together and form sediment. |
When the molecules of a solid ---- attracted to the molecules of a liquid they spread apart and mix together evenly. | 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 scientists |
When you mix a solid into a liquid until you cannot see it anymore, it has ______ | dissolved. |
If a substance is soluble, it means that it --dissolve in water or that the substance’s molecules are attracted to water. | can |
If a substance is not soluble, it means that it ----- dissolve in water or that the substance’s molecules are not attracted to water. | can not |
-------- show things that are too small to observe but can help explain what is observable. | models |
- to mix evenly into a liquid by breaking apart into pieces that are too small to see. | Dissolve |
able to dissolve in water or another liquid. | Soluble |