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Teaching PowerPoint


Teaching PowerPoint

 


Unit 9
Click here if you need the 2018 old version.

9.1 Common acids and alkalis

9.2 Acid-alkali indicators and pH scale

9.3 Neutralization

9.4 Corrosive nature of acids

9.5 Potential hazards related to the use of acids and alkalis

Unit end
Unit 10
Click here if you need the 2018 old version.

10.1 Senses and sense organs

10.2 Sight

10.3 Hearing

10.4 Smell and taste

10.5 Touch

10.6 Sense of balance

10.7 The brain and our senses

Unit end
Unit 11
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11.1 Motion

11.2 Force

11.3 Gravity

11.4 Friction and air resistance

11.5 Action and reaction

11.6 Space flight

Unit end