Water

Water

Arlita Daniels

1st edition- 218-221

2nd edition-248-251

3rd Edition- 415-416

Objective:

1.Discuss the use, wastage, and conservation of water. 

2.Create a flow chart showing how water is purified for domestic use.

Open Ended

Give the physical properties of water

Open Ended

Give the chemical properties of water

Properties of Water

Physical properties

•Colorless, tasteless, odorless

•Boils @ 100 º C and freezes @ 0º C

•Has excellent capillary action 

Chemical Properties

•Chemical formula ( H2O )

•Universal solvent (many substances dissolve in water)

•Pure water has a PH of 7 (neutral) 

Open Ended

Give three uses of water :

Uses of Water

•Drinking, washing laundry and dishes, bathing, cooking, cleaning

•To remove waste (flushing toilet)

•Irrigation of crops,

•For hydroponics

•As a solvent (fruit flavoured drinks, cleaning agents)

•Generating electricity

•Extinguish fires 

Open Ended

List three ways water can be conserved

Ways to conserve water

•Drinking, washing laundry and dishes, bathing, cooking, cleaning

•To remove waste (flushing toilet)

•Irrigation of crops,

•For hydroponics

•As a solvent (fruit flavored drinks, cleaning agents)

•Generating electricity

•Extinguish fires