Energy and work are measured in
Newton
Joule
N/m
N/m2
As the micro organisms feed the bio waste, the gas produced is
Hydrogen
Nitrogen
Ethane
Methane
Which of the following energy sources cannot be replaced once they have been used up?
Wind
Water
Renewable energy source
Non - renewable energy sources
Which of the following converts some of the energy in sun light into electrical energy?
Battery
Solar cells
Fossil fuels
Bio gas
Which of the following causes chemical changes in our skin?
UV radiation
Infra red radiation
Sound waves
Radio waves
Which element is used as fission fuel in nuclear power station?
Uranium
Helium
Radium
Which of the following is the correct scientific term for heat energy?
Kinetic energy
Electrical energy
Light energy
Thermal energy
Which of the following energy is produced by the movement of electrons?
Magnetic energy
Nuclear energy
The excessive amounts of ultraviolet radiation reaching the earth because of the destruction of parts of
The ozone layer
The atmosphere
The Sun light
All the above
In food carbohydrates are a store of
Chemical energy
Strain energy