Directions: Choose the letter of the best answer. Write the letters of the correct
answer on a separate sheet of paper.
1. What form of energy can travel through empty space?
A Electrical Energy
C. Light Energy
B. Chemical Energy
D. Sound Energy
2. Light energy is also known as
A. Electrical Energy
C. Radial Energy
B Heat Energy
D. Sound Energy
3. Which of the following describes how light is produced?
A. It is produced when an object vibrates or collides.
B. It is produced when electrons moves into a higher energy.
C. It is produced by moving electrons.
D. It is produced when heat causes atoms and molecules to move faster and
collide with each other.
4. Which of the following produces light energy?
A. Bell
B. Chandelier
5. When christmas lights are turned on, what energies are formed?
A. Electrical Sound → Light
B. Electrical > Light Heat
C. Light Sound Heat
D. Light Heat →Electrical
6. Which of these shows light to heat energy transformation?
A. Computer
C. Printer
B. Dish dryer
D. Sun
7. Which of these shows electrical to sound Energy transformation?
A. Heat induction cooker
C. Refrigerator
B. Karaoke
D. Torch
8. What energy transformation does electric kettle show?
A. Electrical to Heat Energy
B. Electrical to Light Energy
C. Electrical to Sound Energy
C. Electrical to Mechanical Energy
9. What energy transformation does laptop show?
A. Chemical → Light → Sound
B. Chemical Electrical Light
C. Electrical → Light → Sound
D. Electrical → Chemical → Light
10. Lisa left the flat iron plugged in for 30 minutes. What do you think will happen?
A. The flat iron would be cooler
B. The flat iron would be hotter
C. There would be no change in the state of flat iron
D. There would be a little increase in flt iron's temperature​