Which element is used as fission fuel in nuclear power station?
Hydrogen
Uranium
Helium
Radium
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
Which of the following energy is produced by the movement of electrons?
Magnetic energy
Nuclear energy
Electrical energy
Thermal energy
In food carbohydrates are a store of
Chemical energy
Strain energy
Which of the following is a form of electromagnetic waves and produces heating effect on our skin?
UV radiation
Infra red radiation
Radioactive radiation
As the micro organisms feed the bio waste, the gas produced is
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
The energy of a substance due to the movement of its atoms and molecules is called
Kinetic energy
Potential energy
Internal energy
Which of the following is the correct scientific term for heat energy?
Light energy
When an object with kinetic energy touches another object it exerts a
Magnetic force
Electric force
Contact force
Non contact force
