Vocabulary1
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.
Light that does not appear to have any color is
white light
What is the term for when light waves bend when passing from one medium/material 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.
Give 3 examples of materials that are translucent.
Answers may vary.
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
Gamma Ray
I shine a light through an object. The light does NOT scatter after being transmitted through the object. What type of object is it?
Transparent
You are looking at a banana. Explain which colors are being absorbed and reflected.
Yellow is reflected and ROGBIV are absorbed
Light is what type of energy?
Radiant
What type of lens is the eye?
Convex
The angle of reflection is _______________ to the angle of incidence.
equal
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
Explain what eyeglasses do to the light.
Refract the image to make it clearer.