Q5 of 21 Page 37

Use pictures from old magazines to show different kinds of fuels used by us in our lives an display them on your bulletin board.

Do yourself and take the help of your subject teacher.


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4

Ferrous and non-ferrous minerals:

 4

Metallic and Non-metallic Minerals:

 5

Design a poster highlighting energy conversation tips you would take for your school.

 5

Salman’s class took up an action campaign to do an energy audit of their school by surveying electricity consumption. They prepared survey sheets for the students of the school.

Electricity Audit

SI Appliance No.

Quantity (No. being used)

Usage Time (Approx. No. of working hours)

Quantity (No. actually needed)

Is it switched on even when not in use (Yes or No)

1. Florescent Tubelight 40 W

2. Incandescent Bulb 40 W/60 W

3. Co-impact flaorescentlamps

4. Fans

5. Exhaust Fans

6. Electric Bell/Buzzer

7. T.V.

8. Computers

9. Air-Conditioners

10. Refrigerators

11. Oven/Hot Case

12. Public Address Systems

13. Water Pump/ Water Cooler

14. Overhead Projector

15. Photostate Machine

16. Any other