Lesson Plan

Adding and Subtracting Color

Using explorelearning.com to explain how colors can add and subtract.
Brian L.
Classroom teacher
Novi High School
Novi, MI
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My Grades 9, 10, 11, 12
My Subjects Science
Objectives

Students will be able to differentiate between adding and subtracting color.

Subjects
Science
Grades 8 - 12
All Notes
Teacher Notes
Student Notes

1 Hook

ExploreLearning Gizmos
Free to Try, Paid

Engage students by asking them why red, blue, and green light combine to make white light, but red crayon mixed with blue crayon mixed with green crayon make black.  Students can use the "Additive Color" gizmo to explore the phenomena related to the different color light combining to make white light.

2 Direct Instruction

ExploreLearning Gizmos
Free to Try, Paid

Students can use the "Student Exploration Sheet" provided by explorelearning.com to work their way through understanding both "Additive Color" and "Subtractive Color."  The exploration sheets interweave direct instruction with practice.

3 Guided Practice

ExploreLearning Gizmos
Free to Try, Paid

Students can use the "Student Exploration Sheet" provided by explorelearning.com to work their way through understanding both "Additive Color" and "Subtractive Color."  The exploration sheets interweave direct instruction with practice.  The teacher should "float" around the class checking for understanding.

4 Independent Practice

ExploreLearning Gizmos
Free to Try, Paid

The explorelearning gizmos feature short quizzes at the bottom of each gizmo.  Students could take these quizzes upon completing the exploration sheets for both "Additive Color" and "Subtractive Color."  The quiz scores are available for teachers to use as formative assessment.

5 Wrap-Up

Activity: Assessing

Students should now be prepared to explain why red, blue and green light combines to make white light, but a red, blue, and green crayon mix to make black.