Water purification

What is NOT a step to purify water.

• Decantation

• Deforestation

• Sedimentation

• Filtration

_______________ is the process of transferring water to another beaker without disturbing the sediments.

• Sedimentation

• Decantation

• Filtration

• Purification

Dirty water has some small particles, what do we call them.

Draw a funnel.

Explain the process of water purification.

Which step of water purification is the best?

• Sedimentation

• Filtration

• Winnowing

• Paper