Forms of Energy Quiz - CBSE Class 7 Science

Free practice quiz: Forms of Energy (CBSE Class 7 Science). 18 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

This CBSE Class 7 Science practice quiz has 18 multiple-choice questions on Forms of Energy, and 18 of them come with an explanation. Try the 5 sample questions below (tap an option to check yourself), then play the full quiz online. No sign-up needed.

Sample questions

1. What form of energy is stored in the food we eat?

   1. Kinetic Energy
   2. Chemical Energy
   3. Nuclear Energy
   4. Electrical Energy
   Show answer

   Answer: B. Chemical Energy

   The energy stored in food is a type of potential energy known as chemical energy, which is released during digestion.

2. What is the primary form of energy used by plants during photosynthesis?

   1. Chemical Energy
   2. Solar Energy
   3. Mechanical Energy
   4. Heat Energy
   Show answer

   Answer: B. Solar Energy

   Plants primarily use solar energy to convert carbon dioxide and water into glucose during photosynthesis.

3. What is the source of geothermal energy?

   1. Heat from the sun
   2. Heat from the Earth's core
   3. Wind energy
   4. Hydropower
   Show answer

   Answer: B. Heat from the Earth's core

   Geothermal energy is harnessed from the heat generated and stored within the Earth, primarily from the Earth's core.

4. In which form of energy is water stored in a dam?

   1. Kinetic Energy
   2. Potential Energy
   3. Thermal Energy
   4. Electrical Energy
   Show answer

   Answer: B. Potential Energy

   Water stored at height in a dam possesses gravitational potential energy due to its elevation above the ground.

5. How is sound energy produced?

   1. By vibrating objects
   2. By moving air
   3. By burning fuel
   4. By transferring heat
   Show answer

   Answer: A. By vibrating objects

   Sound energy is produced when objects vibrate, creating waves that travel through a medium such as air.

More questions in this quiz

Answers and explanations are in the full quiz.

1. What type of energy is associated with the motion of an object?
2. Which of the following is NOT a form of energy?
3. Which form of energy does a stretched rubber band possess?
4. What is the energy transformation in a wind turbine?
5. What kind of energy does a hot object primarily emit?
6. Which energy form is used in batteries?
7. What is a renewable energy source?
8. Which energy source results from the decay of radioactive materials?
9. The energy from burning wood is primarily what type of energy?
10. Which of the following is a non-renewable energy source?
11. What principle explains why energy can neither be created nor destroyed?
12. Which form of energy is used in nuclear reactors?
13. In which form of energy are waves transmitted?

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