Free Science Quiz Practice for Children and Adults

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Read the questions carefully and clicked on the correct answers.

1. Energy can be defined as:




2. Which set shows simple machines




3. An example of fuel is ? .




4.All machines_____________.




5.All of the following are sources of energy EXCEPT _____________.




6. Which of the following form of energy is incorrectly matched to its source?.





7. Which of these is used as a lever ?





8. The main source of earth energy is .





9. Energy of motion is .





9. Energy of motion is .





10.What is the name given to the amount of energy used to measure food .





11.Carbohydrates,fats, proteins, vitamins, and minerals are called .





12. Goitre is cause by the lack of .





13.The blanket of air surrounding the earth is .





14.The root of the plant is very important it performs several functions EXCEPT: .






15.The electricity produced in water is called .





16.Which of the following is the best conductor of heat?





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