Vocabulary
What do you call objects that allow all light to pass through them?
Transparent objects
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
A curved transparent object that bends/refracts light
Lens
What color coat would help you feel warmer on a cold sunny day- white or black?
Black
What is the term for when light waves bounce off an object?
Reflection
What do you call objects that allow some light to pass through them?
Translucent objects
How does light travel
In a straight line
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.
Give three examples of transparent objects.
Answers may vary.
What is the term for when light waves bend when passing from one medium to another?
Refraction
What are the four properties of light?
Light can travel in a straight line, 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
this lens bends inward and makes objects appear smaller
Concave
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
A form of energy you can see
Light
This lens curves outward and makes objects appear bigger
Convex
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...