Question

1. when you look in a mirror, you are not seeing the

eal you\ but a ____ of yourself. light bounced or ____ off the mirror and travels to my eye.

1. the can under the water appeared to be in a slightly different location due to light being ______ because light went from air to water and changed mediums.
2. the pencil appeared to be bent at the point where it changed ______
3. greenhouses use glass to let _____ light in because plants need certain wavelengths in this area of the spectrum. in addition, the glass reflects ____________ that is the portion that helps keep the greenhouse warm.
4. light that bounces back is the __________ that we see!!!
5. modern day telephones now use __________ fibers to send the messages
6. light can be ________, or ________ or absorbed by an object.

Explanation:

• Question 9: When looking in a mirror, we see an image (reflection) of ourselves. Light bounces (reflects) off the mirror.
• Question 10: The can's apparent position change is due to light refraction when it moves from air to water (a medium change).
• Question 11: The pencil appears bent at the medium - change point (e.g., air - water).
• Question 12: Greenhouses let visible light in (plants need it) and reflect infrared radiation (keeps it warm).
• Question 13: Light that bounces back is the reflection we see.
• Question 14: Modern telephones use optical fibers for message transmission.
• Question 15: Light can be reflected, refracted, or absorbed by an object.

Answer:

1. image; reflected
2. refracted
3. medium
4. visible; infrared radiation
5. reflection
6. optical
7. reflected; refracted