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Signs of chemical change lab — Homework
Answer using this week's signs-of-chemical-change ideas.
- 1.Name the five signs of chemical change.
- 2.Salt dissolving in water makes the water colder. Is this alone proof of a chemical reaction? Explain.
- 3.Two clear liquids mixed together turn cloudy with a solid settling out. What is this new solid called?
- 4.Describe a fair kitchen test using vinegar and baking soda, and the specific signs you would look for.
🌲 Homeschool of the FutureSeventh Grade · Science · week 30 homework