Vocabulary
What do you call objects that do not allow any light to pass through them?
Opaque objects
What makes a pencil look broken when it is placed in a cup of water?
Refraction
Why do you see lightning before you hear thunder?
Light travels faster than sound.
What color coat would help you feel warmer on a cold sunny day- white or black?
Black
What do you call objects that allow some light to pass through them?
Translucent objects
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.
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.
What is the term for when light waves bend when passing from one medium to another?
Refraction
Light can travel through objects. It can also do 3 different things. What are they?
Light can be reflected, refracted, and absorbed.
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
List the colors of the rainbow in order.
Red, orange, yellow, green, blue, indigo, violet
What is the term for making something appear larger?
Magnify
What tool can be used to separate white light into all colors of visible light?
A prism
Explain what glasses do to the light.
Refract the image to make it clearer.
I shine a light through an object. The light scatters after being transmitted through the object. What type of object is it?
Translucent
You are looking at a banana. Explain which colors are being absorbed and reflected.
Yellow is reflected and ROGBIV are absorbed
What word means "the quantity of visible light emitted?"
Intensity
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
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
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...