UNIT 7 MIXING THINGS

Some materials can dissolve in water some cannot.
We can only taste edible materials that dissolve in water.
We taste to check the presence of the material in water.
We can separate the materials that cannot dissolve in water by using a filter.

The materials that can dissolve in water:
Examples:

SALT

SUGAR

INSTANT COFFEE

The materials that cannot dissolve in water:
Examples:

COFFEE BEANS

SAND

ROCK