Vocabulary
Vocabulary
Facts
Apply It!
Apply It!
100
What do you call objects that allow all light to pass through them?
Transparent objects
100
What do you call objects that do not allow any light to pass through them?
Opaque objects
100
What makes a pencil look broken when it is placed in a cup of water?
Refraction
100
Why do you see lightning before you hear thunder?
Light travels faster than sound.
100
What color coat would help you feel warmer on a cold sunny day- white or black?
Black
200
What is the term for when light waves bounce off an object?
Reflection
200
What do you call objects that allow some light to pass through them?
Translucent objects
200
What travels faster, light or sound?
Light
200
Explain an example of when light reflects and an example of when light refracts.
Reflect- mirror, reflectors, etc. Refract- straw in water, arm in pool, etc.
200
Explain why it feels cooler when you are sitting in the shade on a hot sunny day.
The sunlight does not hit you so you are not absorbing light energy.
300
Give three examples of transparent objects.
Answers may vary.
300
What is the term for when light waves bend when passing from one medium to another?
Refraction
300
Besides being transmitted, Light can do 3 different things. What are they?
Light can be reflected, refracted, and absorbed.
300
Explain why a shadow appears on the screen when I place my hand in front of it.
My hand blocks the sun from hitting the whiteboard
300
List the colors of the rainbow in order.
Red, orange, yellow, green, blue, indigo, violet
400

What is the term for when light passes from one object to another?

Transmit

400
What tool can be used to separate white light into all colors of visible light?
A prism
400
What are the two different types of lenses? Explain one difference between them.
Convex and concave. Convex makes images appear larger and concave makes them look smaller.
400
I shine a light through an object. The light scatters after being transmitted through the object. What type of object is it?
Translucent
400
You are looking at a banana. Explain which colors are being absorbed and reflected.
Yellow is reflected and ROGBIV are absorbed
500

What is a medium?

Something that light travels through.

500

What word means "the quantity of visible light emitted?"

Intensity

500

You are underwater, wearing goggles. You see a plastic torpedo on the bottom of the pool. The light reflected off the torpedo has to travel through three media in order to get to your eye. List the media in order.

1. water 2. plastic on goggles 3. air

500

Explain what the reason why the girl in the picture is using the aluminum board while tanning.(http://images.inmagine.com/400nwm/iris/stockconnection-076/ptg01618924.jpg)

The aluminum board allows light to be reflected onto her face

500

The local pool wants to build a place for kids to cool off during adult swim. Using the following materials, come up with a building idea that would keep kids cooled off on a hot summer day. (Materials: wood, clear plastic, yellow paint, dark blue paint, a large old mirror) Explain why this building would help keep the kids cooled off.

Answers may vary. Yellow paint, mirror roof...

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