Date: May 12, 2021
Score:
L. Directions: Choose the letter of the best answer. Write the letter of your answer in the space provided
before the number.
1 When energy is transformed from one form to another it is called
A transformation of energy
C consumed energy
B conservation of energy
D wasted energy
2. Which shows the transformation of energy in an x-ray machine?
A light
sound B. electrical light C light
-electrical D electrical sound
3. When you eat breakfast and do household chores like cleaning the house, you have energy because of the
food that you eat. What kind of transfer is happening in this situation?
A Transfer of energy through heat
C. Transfer of energy through radiation
B Transfer of energy through work
D. Transfer of energy through conduction
4. Which of the following is a correct diagram for the transfer of energy when you use a cellphone?
A. electrical sound light heat
B. electrical chemical sound light
C. electrical heat
sound - light
D chemical ► electrical sound
light
5. What is the importance of a diagram or flow chart of energy?
A. To trace the flow of transformation of energy from one form to another
B. To allow changes in energy transformation
C. To gather data on energy transformation
D. To follow the transformation of energy
6. Transformation of energy occurs when
A. energy is wasted
C. there is electricity
B. energy is created
D. energy is transformed from one form to another
7. Which shows transformation of energy in a television?
A. mechanical energy
sound light
B. electrical energy
► light
sound
C. light
electrical energy
mechanical energy
D. electrical energy light sound ► heat​