Suggest any two important habitual actions to your friend while eating food , keeping in view of this chapter.

Suggest any two activities to check soil erosion in your school.

Are there any common food items in your and your friends list?

Using the principle of Wheatstone Bridge, describe the method to determine the specific resistance of a wire in the laboratory. Draw the circuit diagram and write the formula used. Write any two important precautions you would observe while performing the experiment.

Though currently there is little scientific evidence to suggest that magnetic therapy is an effective treatement of any medical condition, yet one of your friends is wearing a magnetic bracelet for pain relief. What symptoms should warrant your friend to discontinue its use? or A coil of copper wire is connected to a galvanometer. What would happen if a bar magnet is : (i) pushed into the coil with north pole entering first (ii) pulled out of the coil (iii) held stationary inside the coil.

Suggest any three programmes for prevention off soil pollution in view of avoiding pesticides. In your area, soil is polluted by the enormous usage of pesticides. Suggest any two programmes for prevention of soil pollution.

Write about any two animals in your list, describing the food types. eaten by them and how they get them.

Suggest any two ways in which you can reduce energy consumption in your homes so that consumption of fossil fuels is reduced.