CBSE Class 5 Environmental Studies Natural Resources, Energy and Conservation Worksheet Set 06

Answer: (b) Coal. Coal, petroleum and natural gas are fossil fuels.

Teacher's Note:
1. Renewable resources can be replaced naturally and non-renewable ones cannot.
2. Sort each option into one of these two groups.

Answer: (c) Solar energy. Solar energy comes from the Sun and will not run out.

Teacher's Note:
1. Renewable resources can be replaced naturally and non-renewable ones cannot.
2. Sort each option into one of these two groups.

Answer: (a) Petroleum. Petroleum took millions of years to form and cannot be replaced quickly.

Teacher's Note:
1. Renewable resources can be replaced naturally and non-renewable ones cannot.
2. Sort each option into one of these two groups.

Answer: False. Renewable resources give out little or no carbon.

Teacher's Note:
1. Think about whether the statement helps or harms the environment.
2. Rewrite false statements to make them correct.

Answer: True. Falling water turns turbines that run generators.

Teacher's Note:
1. Think about whether the statement helps or harms the environment.
2. Rewrite false statements to make them correct.

Answer: True. More people need more food, water and energy.

Teacher's Note:
1. Think about whether the statement helps or harms the environment.
2. Rewrite false statements to make them correct.

Answer: True. Using less saves resources for the future.

Teacher's Note:
1. Think about whether the statement helps or harms the environment.
2. Rewrite false statements to make them correct.

Answer: False. Good waste management saves resources and reduces pollution.

Teacher's Note:
1. Think about whether the statement helps or harms the environment.
2. Rewrite false statements to make them correct.

Answer: natural resources. Natural resources are things such as air, water, soil and minerals that nature gives us.

Teacher's Note:
1. Use the key words in the sentence to recall the term.
2. Check that your answer fits the sentence.

Answer: fossil fuels. They were formed from the remains of plants and animals over millions of years.

Teacher's Note:
1. Use the key words in the sentence to recall the term.
2. Check that your answer fits the sentence.

Answer: Petroleum. It is refined to make petrol, diesel and kerosene.

Teacher's Note:
1. Use the key words in the sentence to recall the term.
2. Check that your answer fits the sentence.

Answer: Solar. Solar panels change sunlight into electricity.

Teacher's Note:
1. Use the key words in the sentence to recall the term.
2. Check that your answer fits the sentence.

Answer: Natural resources are the useful things we get from nature. Examples are air, water, soil, minerals, forests and sunlight.

Teacher's Note:
1. Define the term first and then add an example or use.
2. Keep the answer short and in your own words.

Answer: Geothermal energy is heat from inside the Earth. It is used to make electricity and to heat water, for example from hot springs and geysers.

Teacher's Note:
1. Define the term first and then add an example or use.
2. Keep the answer short and in your own words.

Answer: They take millions of years to form, but we are using them very fast. As the population grows, the demand for them keeps increasing.

Teacher's Note:
1. Define the term first and then add an example or use.
2. Keep the answer short and in your own words.

Answer: Coal is a black fossil fuel formed from buried plants over millions of years. It is burnt to produce heat and electricity, but it causes air pollution.

Teacher's Note:
1. Define the term first and then add an example or use.
2. Keep the answer short and in your own words.

Answer: Tidal energy is obtained from the rise and fall of sea water in tides. The moving water turns turbines that produce electricity.

Teacher's Note:
1. Define the term first and then add an example or use.
2. Keep the answer short and in your own words.

Answer: The 3Rs are Reduce, Reuse and Recycle. We should use less, use things again and turn waste into new products.

Teacher's Note:
1. Define the term first and then add an example or use.
2. Keep the answer short and in your own words.

Answer: The Netherlands is famous for its windmills.

Teacher's Note:
1. The Netherlands has used windmills for centuries to pump water and grind grain.
2. Today wind turbines there also generate electricity.

Answer: Tamil Nadu and Gujarat have large wind farms. Rajasthan, Maharashtra and Karnataka also have many.

Teacher's Note:
1. Wind farms are built where winds blow strongly and steadily.
2. Tamil Nadu and Gujarat are among the leading states.