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Quenching Your Scientific ThirstQuenching Your Scientific ThirstQuenching Your Scientific ThirstQuenching Your Scientific ThirstQuenching Your Scientific Thirst
Quenching Your Scientific Thirst
Quenching Your Scientific Thirst
Quenching Your Scientific ThirstQuenching Your Scientific ThirstQuenching Your Scientific ThirstQuenching Your Scientific ThirstQuenching Your Scientific Thirst
w All of our energy sources originate from the Sun’s energy.

w Almost all energy transformations involve the production of heat
which is considered the lowest form of energy.

Scientific Terms
Organic waste : wastes typically originated from plant or animal sources
Extensively : large in extent, range or amount
Fuel : the source of energy to run a system
Thermal power : the power obtained from heat
Inexhaustible : unable to be used up because existing in abundance : "the
inexhaustible energy "

Chapter at a Glance

³ The capacity to do any work is called energy.
³ Energy is found in various forms.
³ The sun is the most important source of energy. Energy from sun is called the solar
energy.
³ Sources of energy can be divided into (a) renewable sources and (b) non-renewable
sources.
³ Wind energy, solar energy, hydroelectric energy etc., are renewable energy.
³ Petroleum, coal and natural gases are forms of non-renewable energy.
³ The economical use of sources of energy is called energy conservation.

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Based on The Latest Pattern of New Education Policy 2020.
Based on The Latest Pattern of New Education Policy 2020.
Based on The Latest Pattern of New Education Policy 2020.
Based on The Latest Pattern of New Education Policy 2020.
Based on The Latest Pattern of New Education Policy 2020.
Based on The Latest Pattern of New Education Policy 2020.
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(Learning with Fun Containing all the Desired New Styled Questions)
(Learning with Fun Containing all the Desired New Styled Questions)
(Learning with Fun Containing all the Desired New Styled Questions)
You And Your Text
You And Your Text
Fill in the blanks with the correct word given below :
water thermal non-renewable atomic renewable
1. Solar energy is the ___________ source of energy.
2. Petroleum is the ___________ source of energy.
3. The energy produced with the help of atoms is called ___________ energy.

4. In hydroelectric power plants, electricity is produced with the help of

energy of falling of __________ .
5. Coal is source of ___________ energy.

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