1.5.1 describe the composition and properties of water.
- brainstorm and describe the chemical components of water
- describe the properties of water
- collect water from difference sources and compare them in terms of appearance, odour, taste and any other characteristics
perform activities to demonstrate the properties of water.
- describe the properties of water
- collect water from difference sources and compare them in terms of appearance, odour, taste and any other characteristics
perform activities to demonstrate the properties of water.
What are the chemical elements in water?
Describe three properties of water.
1.5.2 distinguish between hard and soft water.
- compare the lathering abilities of various samples of unboiled water with soap
- use their observations to group the samples into hard and soft water.
- use the activities to define hard and soft water
- discuss the importance of soft and hard water
- discuss the properties of good drinking water.
- use their observations to group the samples into hard and soft water.
- use the activities to define hard and soft water
- discuss the importance of soft and hard water
- discuss the properties of good drinking water.
Why it is advisable to wash clothes with soft water?
1.5.3 demonstrate various ways of softening hard water.
- perform various activities for softening hard water e.g. boiling, addition of washing soda, distilling.
- discuss the importance of purified and treated water.
- discuss the importance of purified and treated water.
No comments:
Post a Comment