الموضوع

ACTY
TOOLS: APIECE OF CONSTRUCTION WHITE PAPER_COLORS_SCISSORS_A PROTRACTOR.
STEPS: 1.CUT THE CONSTRUCION PAPER IN A SHAPE OF A DIVIDE BY USING SCISSORS.
2. Divide the disk into seven equal parts by using the protractor.
3. Color the disk with the same order of spectrum colors.
4. Bore a small hole at the center of the disk then pass your pencil through it.
5. Rotate the disk quickly.
Observation:-
.
GIVE REASON:-
• We can see the white paper as it is
Because the white paper reflects all the light colors.

• We see the blackboard as it is .
• We must wear black (dark) clothes in winter.
Because it absorbs all the light colors.

• Red light is a primary colored light .
Because it can’t be produced by mixing any of the other colored lights.

• Magenta is called a secondary colored light.
Because it is produced by mixing two of the primary colored lights which are red and blue

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