light and color

What type of wave is light?

• electromagnetic

• mechanical

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Light is a form of _________.

• sound
• heat
• energy
• color

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What is the correct order of the colors of the rainbow?

• Red, Yellow, Orange, Blue, Indigo, Violet
• Red, Orange, Yellow, Green, Blue, Indigo, Violet
• Yellow, Orange, Red, Green, Blue, Violet, Indigo

Materials such as wood and metal do not let light travel through them. We cannot see them at all. They are said to be ______________.

• invisible
• opaque
• translucent
• transparent

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NGSS.MS-PS4-2

Which of these is an example of a translucent object?

• glass
• book
• opaque
• waxed paper

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When a pencil is put into a glass of water, it appears to be broken? Why does the pencil look broken?

• because the shiny glass reflects light
• because the water separates light into many colors
• because the part of the pencil outside the water casts a shadow
• because light rays are bent when they pass from air into water

Tags

NGSS.MS-PS4-2

When you see the color black...

• All colors are reflecting

• All colors are absorbed

• The color blacl is reflecting

• the color black is absorbed

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What are the primary colors of the pigment?

• cyan, yellow and magenta
• Red, green and blue
• black and white

The three primary colors of light are

• Red, Blue, Yellow
• Pink, Green, Blue
• Violet, Green, Red
• Blue, Green, Red

#3 Refers to the circular structure that surrounds the pupil and regulates the amount of light entering the eye.

• Cornea

• Pupil

• Retina

• Iris