Visit a pollution check centre. Observe the process of conducting a pollution check and record your findings. You may consider the following areas for your record.
Measures taken if the emitted gases are above the permissible limits.

Visit a pollution check centre. Observe the process of conducting a pollution check and record your findings. You may consider the following areas for your record. Pollutants checked for.

Visit a pollution check centre. Observe the process of conducting a pollution check and record your findings. You may consider the following areas for your record. Time taken to check each vehicle.

Visit a pollution check centre. Observe the process of conducting a pollution check and record your findings. You may consider the following areas for your record. Average number of vehicles checked in a certain time period.

Visit a pollution check centre. Observe the process of conducting a pollution check and record your findings. You may consider the following areas for your record. The process of testing, permissible limits of emission of various pollutants.

Observe this pollution certificate, try to find out the answers for following questions. What will happen if carbon monoxide and hydrocarbons readings are higher than the permissible limit readings.

Observe this pollution certificate, try to find out the answers for following questions. What is emission test? What components are tested in the pollution check up center?

Have you ever observed any water pollution in your area? What measures would you suggest to control it?

Organize a field visit to a pond / lake / river present in or near to your village with the help of your teachers. ( AS 4) Observations followed by discussion could focus on... The history of the pond or lake or river, Water resources available other than that river/ pond/ or lake, Cultural traditions, Pollution concerns, Source of pollution, Effects of pollution on the people living by the river side as well as those living far away

Collect the salt samples like sodium chloride, aluminium chloride, copper sulphate, sodium acetate, ammonium chloride, sodium hydrogen carbonate and sodium carbonate. Dissolve them in distilled water. Check the action of these solutions with litmus papers. Find the pH using pH paper. Classify them into acidic, basic or neutral salts. Identify the acid and base used to form the above salts. Record your observations in table