Natural vs. Artificial
Can the light pass through?
Light Facts
Shadows and Prisms
More Light Facts
100
Is the sun a source of natural or artificial light?
Natural.
100
an object that does not allow light to pass through. (not see through)
opaque
100
What does light come from?
A light source or something that produces light.
100
How is a shadow made?
When an object blocks light, it makes a shadow.
100

What is a prism?

A transparent, rectangular 3 dimensional object that refracts (bends) light

200
Is a light bulb a source of natural or artificial light?
Artificial
200
An object that allows light to shine through (see through)
transparent
200

What happens to your eyes when it is dark?


Your eyes will grow smaller or constrict

200
What do you need in order to create a shadow?
You need a light source and an opaque object.
200
What is the colorful, circular muscle of the eye that controls the diameter and size of the pupil?
The iris.
300
What is natural light?
Light that comes from nature. It is not human made.
300
An object that allows a little light to shine through (kind of see through)
translucent
300
Is the moon a light source? How do you know?
The moon is not a light source, it reflects or bounces off light.
300
What are some light sources that make a shadow?
The sun and flashlights
300
What can you use to see all the colors of light?
A prism.
400
What is artificial light?
It is fake light. It is light made by humans.
400
Name two objects that are opaque
wood, paper, people, books, blocks, window with blinds down
400

How does light travel?


In straight lines called rays

400
Light coming from the sun and is a mixture of all colors of light is called
visible light
400

an object that reflects light, changes the direction of light, directs light to your eyes is called

a mirror

500
Name two sources of natural light. Name two sources of artificial light.
natural light; sun, stars, candle flame, lightning, fireflies artificial light: lamp, light bulb, flashlights, glow sticks
500
Name two objects that are transparent. Name two objects that are translucent
Transparent: clear plastic cup, glass, window Translucent: tissue paper, cloudy plastic, wax paper, stained glass windows
500

What happens to your eyes when it is dark?

Your eyes open up or dilate.

500
What are the colors of the spectrum in order?
red, orange, yellow, green, blue, indigo, and violet.
500
Which color has the longest wavelength? Which color has the shortest wavelength?
Red has the longest wavelength Violet has the shortest wavelength
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