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Heat and Energy — PHYSICS STD 9 — Question

ICSE BoardEnglish MediumSTD 9PHYSICSHeat and Energy2 Marks
Question
State four ways for the judicious use of energy.
✓

Answer

Four ways for the judicious use of energy are:
  1. The fossil fuels such as coal, petroleum, natural gas should be used only for the limited purposes when there is no other alternative source of energy available.
  2. The wastage of energy should be avoided.
  3. Efforts must be made to make use of energy for community or group purposes.
  4. The cutting of trees must be banned and more and more new trees must be roped to grow.

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