Available Answers

1. 1.

   Fill in the blanks.

   1. ______________, ______________, ______________ are examples of renewable energy resources.
   2. Solar cells use the power supplied by the ______________.
   3. Geothermal energy is the heat of the ______________.
   4. Coal, petroleum and natural gas are ______________ fuels.
   5. ______________ is the coal with the highest percentage of carbon.
2. 2.

   Match the following.

   A	B
   1. solar energy	i. Ganga
   2. hydroelectricity	ii. wind mill
   3. coal	iii. sun
   4. wind	iv. non-renewable
   5. Farakka barrage	v. water

    

3. 3.

   Choose the correct answer.

   1. Photovoltaic cells use the energy of

   1. sun
   2. wind
   3. water
   4. tides

   2. Hydroelectricity is obtained by using

   1. wind
   2. water
   3. coal
   4. natural gas

   3. Wind mills have been used for many centuries in

   1. the USA
   2. the Netherlands
   3. Russia
   4.  India

   4. The coal that has the highest percentage of carbon is

   1. anthracite
   2. bituminous
   3. lignite
   4. peat

   5. The Bhakra-Nangal Dam is situated on the river

   1. Yamuna
   2. Beas
   3. Ravi
   4. Satluj
4. 4.

   State whether the following is True or False.

   1. Coal and petroleum are renewable energy resources.
   2. Renewable energy resources have limited supply in nature.
   3. China, USA, and Spain are major producers of wind energy.
   4. Coal takes millions of years to form.
   5. The Sardar Sarovar Dam is built on the river Narmada.
5. 5.

   What are renewable energy resources?

6. 6.

   What is the main difference between renewable and non-renewable energy resources?