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WorksheetsENERGY
Total questions: 15
Worksheet time: 9mins
The energy that an object has due to its state of motion is called
Light energy
Kinetic energy
Potential energy
Chemical energy
What energy is released with the burning of wood,coal
Chemical energy
Heat energy
both chemical and heat energy
light energy
In steam engines what energy transformation happens
chemical to heat to kinetic
kinetic to light
heat to kinetic
none of the above
In televisions electrical energy is converted to
(a)
Burning of wood in a fire place converts
heat and light to chemical energy
electrical to heat energy
chemical to heat and light energy
light to electrical energy
cells or batteries convert
(a)
battery in a mobile phone converts
chemical to electrical energy
electrical to chemical energy
electrical to heat energy
none of the above
What energy transformation takes place when a ball is rolled uphill
kinetic to potential
potential to kinetic
In the process of photosynthesis
heat energy is converted to light energy
light energy is converted to chemical energy
heat energy is converted to chemical energy
none of the above
kinetic energy depends on two physical quantities
speed and distance
distance and time
mass and speed
distance and displacement
SI unit of energy
newton
meter
joule
force
A stretched rubberband has
Kinetic energy
Potential energy
Electrical energy
Magnetic energy
The objects that converts mechanical energy to electrical energy
Batteries
bulbs
windmills
toasters
Electric fans convert electrial energy to
heat energy
light energy
kinetic energy
Potential energy
Energy used by maglev trains
Sound energy
Heat energy
Light energy
Magnetic energy
