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Page 5
Separating Sand & Salt: Test Your Understanding
1. 1. Why was the salt invisible in the solution you produced? (Where was the salt?)
2. What does it mean if something is "soluble?"
3. What does it mean if something is "insoluble?"
4. The sand was (soluble/insoluble). How did you know?
5. The salt was (soluble/insoluble). How did you know?
6. In a paragraph of 4–6 sentences, use all of the following words to describe how and why the sand and
the salt could be separated using the process that you performed.
Soluble • Insoluble • Evaporation • Solution • Mixture
