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Mixtures vs new substances — Homework
Decide whether each example is a mixture or a new substance forming, and explain your reasoning.
- 1.Salad, lettuce, tomato, and cucumber tossed together: mixture or new substance? Why?
- 2.Toast, bread heated until brown and crisp: mixture or new substance? Why?
- 3.Name one clue that a chemical reaction has happened.
- 4.Describe a mixture and a chemical reaction you have seen at home, one of each.
- 5.You stir sugar into water and later evaporate the water. The sugar reappears. What does that prove?
🌲 Homeschool of the FutureFifth Grade · Science · week 4 homework