You are currently logged in with the username shown below. As long as you maintain an internet connection, your progress on each part of this Concept Builder will be saved in your account. Tap on the Start Button to begin.
3
M
T
Space
Version 2.2
Loading ...
Color Addition and Subtraction
9
E
Wait for it ..
4
L
S
Objective: To use the rules of color addition and subtraction to predict the color appearance of objects, to predict the light color an object absorbs, and to describe situations using color equations.
Start
Z
8
D
1
P
Y
K
7
2
J
Q
X
C
5
B
I
R
Use Key Pad to Enter Name. Then Tap the Enter Button.
W
6
Enter
capOff
A
H
O
V
Shift
0
G
N
You are NOT using this Concept Builder as a Logged-in student. You may log in and return to this page. Or you can do this Concept Builder as a Guest. If you continue as a Guest, a record of completing it will NOT be stored in the database.
U
Backspace
F
-
Pick from among the three activities - In the Spotlight, Taking Away, and Do the Math.
In the Spotlight To predict the result of adding two primary colors of light. 3 Situations
Taking Away Completed
Student Name:
Taking Away To determine what color(s) is/are absorbed if given the incident light colors and the color appearance. 6 Situations
Begin
In the Spotlight Completed
Do the Math Completed
Do the Math Identify the color equation for a situation involving color addition and subtraction. 6 Situations
Color Addition and Subtraction
You have done it! You have successfully analyzed each of the situations in the In the Spotlight activity.
You have done it! You have successfully analyzed each of the situations in the Do the Math activity.
Continue
You have done it! You have successfully analyzed each of the situations in the Taking Away activity.
Return to Main Menu
O’ Drats! Your answer is incorrect. You’ll see the same question very soon.  Use the Help button to improve your chances of getting it correct.  Click Continue.
Tap for Question-Specific Help
Yes, Return
#6
Help Me!
#5
View Directions
No, Stay Here
None
Check Answer
Selected Color:
#4
#3
To Main Menu
#2
Progress Report
#1
If you return to the Main Menu, then you will lose all your progress  on this activity. Are you sure you want to return to the Main Menu?
Tap on the overlap area to toggle through answer options.
Activity:
0,0,0,0
Red
There’s no GREEN light present.
Blue
Tap to select or deselect one or more answer options below. When satisfied with your choice(s), tap the Check Answer button.
There’s no BLUE light present.
There’s no RED light present.
Green
Absorbed
B
Reflected
Tap on the buttons to create the corresponding Color Equation. The equations are expressed in terms of primary light colors -  Red (R), Green (G), and Blue (B).  Use 0 for no light.
Color equations are symbolic ways of representing the interaction between incident light and the object it shines on. A color equation has the form ...
-
0,0,0
=
Situation:
--
Incident