What Color is Light (II) Activity Mission 4

berserkdisagreeableΛογισμικό & κατασκευή λογ/κού

29 Οκτ 2013 (πριν από 3 χρόνια και 11 μήνες)

63 εμφανίσεις

What Color is Light (II)


Activity



Mission 4

C
redit: adapted from Riverdeep


Resources
on the Nature of Light
,

http://www.riverdeep.net/current/2002/01/010702_light _to.jhtml

Objectives

To understand the nature and components of visible light through observation


Initial Questions

What is a spectrum?



Do you know any colors in the spectrum that you can mix together to get other colors?



What would happen if you mixed all colo
rs of the spectrum together?



Materials and Notes



Small round bowl


approximately 6” in diameter



sharp pencil



white co
nstruction paper or card stock



protractor



crayons,
paint or markers



Procedure

1.

Trace the edge of a round bowl on a piece of white paper.

2.

Cut the circle you traced out of the paper.

3.

Use a protractor to divide the circle into 7 equal wedges (51.5° each). Color each
segment in order according to the colors
of the spectrum: red, orange, yellow,
green, blue, indigo, violet.

4.

Punch a small hole in the center of the circle with your pencil. Place the pencil in
the hole.

5.

Spin the circle on the sharpened end of the pencil as quickly as possible.


Questions

What
did you observe when you spun your color wheel?



Was this different from what you expected to see?



What might be some reasons for the difference in what you expected and what you
saw?