Worksheet: Energy-How Things Work
Q1: Choose the correct option for each question.
(i) What is the primary source of energy for life on Earth?
(a) Oil
(b) The Sun
(c) Coal
(d) Natural Gas
(ii) Which of the following is a non-renewable energy source?
(a) Solar
(b) Wind
(c) Coal
(d) Water
(iii) What type of energy do solar panels convert?
(a) Thermal Energy
(b) Mechanical Energy
(c) Solar Energy
(d) Kinetic Energy
(iv) Which energy source is used in cooking gas?
(a) Electricity
(b) Natural Gas
(c) Coal
(d) Wood
(v) What do windmills generate?
(a) Heat
(b) Light
(c) Electricity
(d) Sound
Q2: Match the items in Column A with the correct descriptions in Column B.
Q3: Fill in the blanks with the correct words from the chapter.
(i) The process of converting sunlight into electricity is called __________.
(ii) __________ is a common fuel used in vehicles.
(iii) The __________ is responsible for warming our homes during winter in some regions.
(iv) __________ is a renewable source of energy that can be harnessed by using solar panels.
(v) Electricity is used in homes for lighting, heating, and __________.
Q4: State whether the following statements are True or False. Correct the false statements.
(i) The Sun provides energy only in the form of light.
(ii) Animals do not require energy to move.
(iii) Burning wood produces less pollution than burning coal.
(iv) Solar power is a clean source of energy.
(v) All electricity comes from renewable sources.
Q5: Answer the following questions in 2-3 sentences each.
(i) What is energy?
(ii) How do we get energy from food?
(iii) What are some sources of energy?
(iv) Why is electricity important?
(v) What is clean energy?
Q6: Answer the following questions in 4-6 sentences each. Use examples from the chapter to support your answers.
(i) What is energy, and how do we use it in our daily lives? Give examples.
(ii) Why should we use clean energy sources like solar and wind power instead of coal?
(iii) How do different sources provide energy to make things work? Explain with examples.
(iv) What safety rules should we follow while using electricity, and why is energy efficiency important?
You can find Worksheet Solutions here: Worksheet Solutions: Energy-How Things Work
FAQs on Worksheet: Energy-How Things Work
| 1. What are the different types of energy that do work in our everyday life? |  |
| 2. How does energy transfer happen when a ball bounces or a fan rotates? | |
| 3. Why do some machines need more energy than others to do the same job? | |
| 4. What's the difference between potential energy stored in objects and kinetic energy of moving things? | |
| 5. How can we identify energy transformations happening inside common household appliances? | |
