1. Which appliance needs electrical energy to function?
A.Gas stove
B. Griller
C. Horn
D. Television
2. How sound energy is produced? *
A. It is produced through strong winds
B. It is produced through water current
C. It is produced through constant collision and vibration of objects
D. It is produced through the rise in temperature causes atoms and molecules to move faster and collide with each other
3. All of the following produces sound energy EXCEPT ? *
A. Bell
B. Drum
C. Refrigerator
D. Tambourine
4. Which of the following describes light energy? *
A. Light is needed in producing sound
B. Light is used in heating up the Earth
C. Light is important in locating different minerals
D. Light is essential in producing different motions
5. How heat is produced? *
A. Due to the flow of water
B. Due to the gradual motion of the object
C. Due to the constant vibration of the objects
D. Due to the rise of temperature and motion of molecules
6. What object produces heat faster ? *
A. Air conditioner
B. Burning woods
C. Flash light
D. Violin
7. Which of the following activities shows heat transfer? *
A. Chopping onion
B. Roasting steak
C. Watering plants
D. Writing a novel