Directions: Choose the letter of the best answer. Write your answers before each number
1. What energy is formed by making vibrations?
A. heat energy
C. sound energy
B. light energy
D. electrical energy
2. Which of the following produces sound energy?
A. ironing clothes
C. beating the drum
B. burning a candle
D. lighting the burner
3. Which of the following statements best described how sound energy is
produced?
A. It is produced by making vibrations.
B. It is produced from muscles, wind, and machines.
C. It is produced from sunlight, magnets, and dry cell.
D. It is produced using electricity, generators, and batteries
4. An ultrasound produces echo which is an example of sound energy. Why is ultrasound used by hospit
and lying-in clinics?
A. To prevent premature delivery of the baby
B. To give warmth to the baby inside a mother's womb
C. To show the developing baby inside a mother's womb
D. To change the baby's position inside a mother's womb
5. Why is sound energy important to all living things?
A. It makes work easier.
D. It enables us to understand what is
B. It enables us to do work.
on around us.
C. It can make communication easy.








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