ICSE Worksheet for Chapter - 7 More about Energy Class 8
Worksheets For class 8
Find ICSE Worksheet for chapter-7 More about Energy class 8
- CLASS-8
- BOARD: ICSE
- PHYSICS Worksheet - 7
- TOPIC: More about Energy
- For other ICSE Worksheet for class 8 Science check out main page of Physics Wallah.
SUMMARY
- Energy, Sources of energy: renewable and non-renewable, Solar energy, Biomass, Wind energy
- Geothermal energy, Tidal energy, hydroelectric energy, Fossil fuels, Nuclear energy
- Conservation of energy
SECTION I – OBJECTIVE
-
The S.I. unit of work is
- Newton
- Erg
- Joule
- Meter
-
The energy obtained from rising tides is called ……….. energy.
- Heat
- Light
- Sound
- Tidal
-
The capacity to do work by a body is called its
- Power
- Energy
- Muscular energy
- Force
-
Find the odd man out
- Solar energy
- Wind energy
- Fossil fuels
- Biomass
-
In a compressed spring, energy is in form of
- Potential energy
- Kinetic energy
- Chemical energy
- Sound energy
-
Which of the following is the most environment – friendly fuels?
- Petrol
- CNG
- Diesel
- none of these
-
A solar cell converts solar energy into
- Electrical energy
- Kinetic energy
- Heat energy
- NOT
-
The main source of energy to the earth is
- Mars
- Sun
- Moon
- Pluto
-
The work done by the moon in revolving around the earth is
- Potential energy
- Kinetic energy
- Sound energy
- Light energy
-
A microphone converts ………. Energy to ……….. energy.
- Electrical, sound
- Sound, electrical
- Heat, light
- Light, heat
SECTION II - SUBJECTIVE
- Name four different forms of energy? Give examples
-
Explain the energy changes that take place in :
- Electric heater
- electric bulb
- electric fan
- generator
- The source of all forms of energy is sun. Explain.
- Distinguish between renewable and non-renewable sources of energy.
-
Explain:
- wind energy
- nuclear energy
- geothermal energy
- fossil fuels
- In your day to day life, state three ways of reducing the consumption of energy.
Solutions: to worksheet-7 Topic- More about Energy
Objective Problems:
1. (C) | 2. (D) | 3. (B) | 4. (C) | 5. (A) | 6. (B) | 7. (A) | 8. (B) | 9. (B) | 10. (A) |
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