Saturday, December 3, 2016

CBSE Class 9 - Science - Work Power and Energy (ENERGY TRANSFORMATIONS) - Worksheet

ENERGY TRANSFORMATIONS

CBSE Class 9 - Science - Work Power and Energy (ENERGY TRANSFORMATIONS) - Worksheet


Worksheet

Give examples for the following scenarios of energy transformations. You may choose the answer(s) from the following list of words

solar cell, turbine, mixer, fan, steam engine, automobiles, green plants, nuclear reactor, electric bulb, torch, electric bulb, microphone, loudspeaker, geyser, heater, car battery, inverter, LPG


SNo.    Energy Transformation
From ⟶ To
     Give Example
1. Mechanical ⟶ Electrical          _________
2. Electrical ⟶ Mechanical      _________
3. Electrical ⟶ Heat      _________
4. Heat ⟶ Mechanical      _________
5. Electrical ⟶ Light      _________
6. Electrical ⟶ Sound      _________
7. Chemical ⟶ Heat      _________
8. Electrical ⟶ Chemical      _________
9. Sound ⟶ Electrical      _________
10. Chemical ⟶ Electrical      _________
11. Light ⟶ Electric      _________
12. Chemical ⟶ Mechanical      _________
13. Nuclear ⟶ Electrical      _________
14. Light ⟶ Chemical      _________



Answers:
1. Turbine, Dam
2. Train, Fan, Washing Machine, Mixer
3. Geyser, Toaster, Electric Heater
4. Steam Engine
5. Electric Bulb
6. Electric Bulb, Loudspeaker
7. Burning of LPG, Coal
8. Inverter (Battery Charging)
9. Micrphone
10. Electric Cell, Car Battery
11. Solar Cell
12. Automobiles
13. Nuclear or Atomic Reactor
14. Green Plants

   

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