UNIT 7

MIXING THINGS
Can all materials dissolve in water?
Some materials can dissolve in water. Some materials cannot dissolve in water.

1. These are some of the materials that can dissolve in water. They cannot be seen but are still present in the water. To check the presence of the materials in water, we can taste the solution.






2. These are some of the materials that cannot dissolve in water. We can still see the materials in the water.We can separate the materials by using a filter.


















EXERCISES 1


























EXERCISES 2
Which of these materials cannot dissolve in water? Find them. Draw lines across the names.


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