Let’s Evaluate Direction: Read the questions below and choose the letter of the correct answer. Write youranswer on the answer sheet.

1. Which statement explains why a pencil looks broken when placed in a glass ofwater?

A. Light is refracted as it moves from air to water.
B. Light is reflected as it moves from air to water.
C. Light is absorbed as it moves from air to water.
D. Light is destroyed as it moves from air to water.

2. What happen when light hits a mirror?
A. it makes a color
C. it reflects
B. it makes a rainbow
D. it passes through

3. How does light travel?
A. in a curved line
C. in a line that narrows
B. in a straight line
D. in a line that projects

4. What causes a blue block to appear blue in the sunlight?
A. The block absorbs all blue light.
B. The block refracts all blue light.
C. Only blue light is reflected by the block. D. Only blue light passes through the block.

5. Which object scatters light rays as they pass through it?
A. opaque
C. transluscent
B. black shirt
D. transparent

6. What energy transformation takes place when we turn on the television?
A. electrical, heat, light and sound energy
B. potential, kinetic, light and sound energy
C. electrical, sound energy, heat and light energy
D. chemical, mechanical, heat and sound energy

7. A cellphone battery dies. It gets plugged into an electric outlet to recharge. Afterbeing fully charge you turned on the cellphone. Which of the following energy transformation occurs?
A. mechanical-sound-heat-light
C. electrical-heat-light-sound
B. potential-kinetic-heat-sound
D. chemical-heat-light-sound

8. The diagram shows a circuit with a battery and a bulb. While the bulb is producing light, which type of energy is shown?
A. light energy
c. mechanical energy
B. potential energy
d. heat energy

9. Betsy depends on her electric alarm every morning to get up in time for school. What energy transformation happens in Betsy’s alarm clock to wake her up inthe morning?
A. electrical energy is converted to sound energy
B. sound energy is converted to electrical energy
C. chemical energy is converted to kinetic energy
D. electrical energy is converted to thermal energy

10. Francesca connected several light bulbs to a battery. After the light bulbs were on for a few minutes, she placed her hand near one of the bulbs and discovered it was warm.
A. electrical energy to light energy
B. electrical energy to heat energy
C. light energy to sound energy
D. light energy to electrical energy​