Page 13 - ICSE Chemistry 6

Some More Assessment Tools Observe and Perform: Observing the ons image and answering the ques Apply Your Learning: Ques ons based on Life Skills: Ques ons based on life skills (coopera on and working together, concern for others, environmental awareness and problem-solving) ng Integrate Your Learning: Integra learning with Geography and Language vi es: Solving a crossword puzzle, conduc ng a survey, performing an ng on, conduc ac vity, preparing a solu a class discussion, making a project

• • thinking skills • • Projects and Ac • Water Pollu • • • thinking skills • • Projects and Ac • •
on of on
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4.1 To find the water content in different food items To show that plants require fresh water To show that ice is lighter than water To show that water expands on freezing on on To prepare a saturated solu on of salt and water To separate salt from salt solu on by evapora To show that air is present everywhere To observe that oxygen supports combus To show that air contains water vapour To show that air contains dust par To show respira on in plants

vi es To study the presence of dissolved impuri es in natural water nd applica on of specific capacity of water and of latent heat of To observe the effect of size of solute par cles on the forma To observe the effect of increase in temperature on the forma on cles To show that green plants produce oxygen during photosynthesis

Ac To observe the effect of s rring on the forma on of a solu To show that nitrogen does not support burning of candle To show that air that we breath out contains carbon dioxide To show that soil contains trapped air which is used by the organisms living in soil and by the roots of plants to respire

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4.6 To fi

4.8
4.7
4.3
4.2
4.5
4.4
on, 4.9 of a solu 4.10 4.11 dries on 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9
on on, lla on, Preven es between

Details of Contents SOURCES OF WATER Rainwater, Surface Water, STATES OF WATER Water Cycle, Change in Density and on Diseases Caused by Contaminated Water or Waterborne PURIFICATION OF WATER Sedimenta on and Decanta on, Chlorina on, Boiling, Aera Ozoniza on, Water Purifiers and RO System, Dis IMPORTANCE OF WATER FOR SUSTENANCE OF LIFE ON • WATER POLLUTION Causes of Water Pollu FLOODS AND DROUGHTS Flood, Drought Proper es of Air, Evidence to Confirm that Air is a Mixture Oxygen, Nitrogen, Carbon Dioxid

OCCURRENCE OF WATER Groundwater Volume of Water with Temperature IMPORTANCE OF WATER • WATER A UNIVERSAL SOLVENT Solute, Solvent and Solu • POTABLE WATER Loading, Filtra Need to Conserve Water on of Water Pollu AIR: A MIXTURE OF GASES USES OF COMPONENTS OF AIR IMPORTANCE OF AIR Respira on and Combus Respira on and Combus • AIR POLLUTION Causes of Air Pollu on Reducing Air Pollu • ATMOSPHERE

• • • • Diseases • • EARTH • • • Smoke • Respira •
Chapter Name Water 4. Air and 5. Atmosphere