Free Printable ENERGY (CLASS10) SCIENCE

1.

The capacity of doing work is known as :

a)

(a) Force.

b)

(b) Work.

c)

(c) Energy.

d)

(d) Power.

2.

One erg is equal to:

a)

(a) 10^-7 Joule.

b)

(b) 10^-5 Joule.

c)

(c) 10^-3Joule.

d)

(d) 10^-1 Joule.

3.

Which one can also use to calculate the kinetic energy of a body?

a)

(a) $\frac{1}{2}$ (m+v)²

b)

(b) $\frac{1}{2}$ m(u+at)²

c)

(c) $\frac{1}{2}$ vm²

d)

(d) $\frac{1}{2}$ m²v²

4.

Which one is different among them?

a)

(a) mc²

b)

(b) hdg.

c)

(c) 1/2mv²

d)

(d) mgh

5.

How much energy is in one kg of mass according to E= mc²?

a)

(a) 9×10¹⁰ J.

b)

(b) 9×10¹⁵ J.

c)

(c) 9×10¹⁶ J.

d)

(d) 9×10²⁰ J.

6.

The energy created due to the continuous flow of electrons is known as :

a)

(a) Heat energy.

b)

(b) Tidal energy.

c)

(c) Light energy

d)

(d) Electrical energy.

7.

Which of the following is the right statement for “law of conservation of energy”?

a)

(a) Energy can produce and reduce.

b)

(b) Energy can produce and destroyed .

c)

(c) The sum of total energy always remain constant.

d)

(d) All are right.

8.

What is the name of device which change electric energy into heat energy?

a)

(a) Fan.

b)

(b) Electric iron.

c)

(c) Washing machine.

d)

(d) Computer.

9.

Which type of energy stored in a coal of the following ?

a)

(a) kinetic energy

b)

(b) potential energy

c)

(c) chemical energy

d)

(d) nuclear energy

10.

Which of the following is the right formula ?

a)

(a) V = $\frac{M}{2KE}$

b)

(b) V = $\sqrt[]{\frac{2KE}{M}}$

c)

(c) V = $\frac{2KE}{M}$

d)

(d) V = ( $\frac{2KE}{M}$ ) ²

11.

Wind energy is the ……………… energy.

a)

(a) Potential

b)

(b) Transverse

c)

(c) Kinetic

d)

(d) Mechanical

12.

Which from the following is not a non-renewable energy resource?

a)

(a) Coal

b)

(b) Natural gas

c)

(c) Nuclear

d)

(d) Geothermal

13.

Hydrogen Bomb is based on which reaction ?

a)

(a) Nuclear Fusion

b)

(b) Heavy water Reaction

c)

(c) Nuclear Fission

d)

(d) Addition Reaction

14.

Solar energy is converted into chemical energy during …………………

a)

(a) Transpiration

b)

(b) Photosynthesis

c)

(c) Diffusion

d)

(d) Osmosis

15.

Hydro-electric power is a:

a)

(a) non-renewable natural resource

b)

(b) a mixture of renewable and non-renewable natural resource

c)

(c) neither renewable nor non renewable resource

d)

(d) renewable natural resource

16.

The energy possessed by a body due to its change in position or shape is called:

a)

(a) Kinetic energy

b)

(b) Chemical energy

c)

(c) Nuclear energy

d)

(d) Potential energy

17.

Which of the following is not an example of a biomass energy source?

a)

(a) Wood

b)

(b) Ethanol

c)

(c) Cow dung

d)

(d) Atomic energy

18.

Which of the following is the largest source of natural energy to humans?

a)

(a) Plants

b)

(b)Earth

c)

(c)Animals

d)

(d) Sun

19.

Which of the following energy is not from sea?

a)

(a) Wave energy

b)

(c) Ocean Thermal energy

c)

(b) Geothermal energy

d)

(d) Tidal energy

20.

In a nuclear reactor, one of the following is used as a fuel?

a)

(a) Coal

b)

(b) Uranium

c)

(c) Radium

d)

(d) Diesel

21.

Which of the following relations between Kinetic energy and Potential energy is true about solids ?

a)

(a) K.E = P.E.

b)

(b) K.E > P.E.

c)

(c) K.E < P.E

d)

(d) KE ≥ P.E

22.

The group of solar cells joined together in a definite pattern is called a

a)

(a) Battery

b)

(b) Solar heater

c)

(c) Solar cooker

d)

(d) Solar cell panel

23.

Which of the below is a non-renewable energy source?

a)

(a) Solar

b)

(b) Wind

c)

(c) Fossil fuels

d)

(d) Tidal

24.

What is energy among them?

a)

(a) capacity of power

b)

(b) ability to do work

c)

(c) efficiency

d)

(d) All

25.

Wind is used by turbines to convert

a)

(a) Mechanical Energy into Electrical Energy

b)

(b) Kinetic Energy into Electrical Energy

c)

(c) Potential energy into Kinetic Energy

d)

(d) Potential Energy into Electrical Energy

26.

Which of the following device converts chemical energy in to electrical energy?

a)

(a) Battery

b)

(b) Loud Speaker

c)

(c) Solar Cell

d)

(d) Electric Motor

27.

On tripling the speed of motion of a body, the change in K.E. is:

a)

(a) 1.5 times

b)

(b) 3 times

c)

(c) 9 times

d)

(d) 4 times

28.

The person will have maximum Potential Energy, when?

a)

(a) he is sleeping on the ground

b)

(b) he is sitting on the ground

c)

(c) he is sleeping on the bed

d)

(d) he is standing on the roof

29.

Which of the followings is not a fossil fuel?

a)

(a) Coal

b)

(b) Petroleum

c)

(c) Natural gas

d)

(d) Nuclear fuel

30.

The rise of sea-water during high tide is caused by the gravitational pull of the:

a)

(a) Jupiter

b)

(b) Earth

c)

(c) Moon

d)

(d) Mars

31.

The disposal of wastes produced in a nuclear power plant is a big problem because it is:

a)

(a) Highly radioactive

b)

(b) Highly inflammable

c)

(c) Extremely foul smelling

d)

(d) Too heavy

32.

Wind is caused due to :

a)

(a) uneven heating of earth’s surface

b)

(b) rotation of earth

c)

(c) local conditions

d)

(d) All of these

33.

Which one of the following is a renewable energy source?

a)

(a) Coal

b)

(b) Petroleum

c)

(c) Natural gas

d)

(d) Wind energy

34.

Natural gas is better fossil fuel because:

a)

(a) It is formed by decomposition of plants and animals

b)

(b) It is found in gas form

c)

(c) It is smokeless and no ash is left

d)

(d) It is costly

35.

Hydro power plants generate electricity from:

a)

(a) a liquid

b)

(b) by hot liquid

c)

(c) by steam

d)

(d) by potential energy of water

36.

Ocean thermal energy is due to

a)

(a) energy stored by waves in the ocean

b)

(b) temperature difference at different levels in the ocean

c)

(c) pressure difference at different levels in the ocean

d)

(d) tides arising out in the ocean

37.

The main constituent of biogas is

a)

(a) methane

b)

(b) carbon dioxide

c)

(c) hydrogen

d)

(d) hydrogen sulphide

38.

Choose the correct statement.

a)

(a) Sun is considered as an inexhaustible source of energy

b)

(b) There is infinite storage of fossil fuel inside the Earth

c)

(c) Coal and wind energy plants are non-polluting sources of energy

d)

(d) Waste from a nuclear power plant can be easily disposed off

39.

Whch of the following is the ultimate source of energy for us?

a)

(a) LPG

b)

(b) Nuclear

c)

(c) Solar

d)

(d) CNG

40.

A student wants to extract energy from fossil fuels. Which process would help him to extract the energy from fossil fuel?

a)

(a) burning

b)

(b) crystallization

c)

(c) condensation

d)

(d) distillation

41.

Which of these processes explains the extraction of energy from wind to generate energy for a water-lifting pump?

a)

(a) conversion of mechanical energy of wind into kinetic energy

b)

(b) conversion of the kinetic energy of wind into mechanical energy

c)

(c) conversion of mechanical energy of wind into potential energy

d)

(d) conversion of the potential energy of wind into mechanical energy

42.

Thermal power plant is considered a bad source of energy. Why?

a)

(a) as it uses very less amount of fossil fuels

b)

(b) as the burning of fossil fuel releases harmful gases

c)

(c) as electricity is harmful and pollutes the environment

d)

(d) as thermal power plants produce less amount of electricity

43.

Ramesh can use any source of energy for cooking, but he wants to avoid the production of smoke from the source. Which of these sources should he use for cooking?

a)

(a) coal

b)

(b) wood

c)

(c) petroleum

d)

(d) electricity

44.

Which of these characteristics can help us recognise a good source of fuel?

a)

(a) physical state

b)

(b) availability in all regions

c)

(c) cost-effective for all countries

d)

(d) produces a large amount of energy

45.

The splitting of a nucleus into smaller nuclei is

a)

(a) Fusion

b)

(b) Fission

c)

(c) Half-life

d)

(d) gamma -radiation

46.

During an atomic explosion, the energy released is due to

a)

(a) Conversion of protons to neutrons

b)

(b) Conversion of chemical energy into heat energy

c)

(c) Conversion of mechanical energy into nuclear energy

d)

(d) Conversion of mass into energy

47.

A disadvantage of solar energy is

a)

(a) that the clouds can block the sunlight

b)

(b) it is not available at night

c)

(c) that the clouds can block the sunlight and it is not available at night

d)

(d) the sun is too hot to be absorbed in solar panels

48.

Oil and Natural gas are both known as types of what?

a)

(a) Coal

b)

(b) Geothermal Energy

c)

(c) Renewable Resources

d)

(d) Petroleum

49.

Heat and ......................................... transformed living things into fossil fuels.

a)

(a) water

b)

(b) air

c)

(c) gas

d)

(d) pressure

50.

What type of energy is involved when the turbine turns the generator?

a)

(a) potential

b)

(b) Thermal

c)

(c) kinetic

d)

(d) chemical

51.

Nuclear energy uses .................................. to turn turbines to power a generator.

a)

(a) wind

b)

(b) water

c)

(c) solar

d)

(d) steam

ENERGY (CLASS10) SCIENCE

Total questions: 51

Worksheet time: 26mins

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