Mixing sand and water

When sand is mixed with water, it creates a (a)   mixture.

1. The process of solid particles settling to the bottom of a liquid is called (a)   .

1. After allowing the sand to settle, the clear liquid on top can be carefully poured off in a process called (a)   .

1. In this experiment, the sand does not (a)   in water; it remains as a solid.

he purpose of sedimentation is to separate (a)   from a liquid.

What is the main reason sand can be separated from water?

• Sand is lighter than water

• Sand is soluble in water

• Sand floats on water

• Sand is heavier than water

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What is the first step in the experiment to separate sand and water?

• Add water to the sand

• Weigh the sand

• Stir the mixture

• Decant the water

What should you do after stirring the mixture of sand and water?

• Leave it undisturbed

• Pour the mixture immediately

• Add more sand

• Shake the beaker

What is one of the do's during the experiment?

• Switch off the fans

• Keep the area clean

• Use a plastic beaker

• Switch on the fans