Electromagnetic Spectrum Color Optic Tools The

Human Eye Grab Bag

10 10 10 10 10

20 20 20 20 20

30 30 30 30 30

40 40 40 40 40

50 50 50 50 50

Question 1 - 10

• What type of waves have the longest wavelength?

Answer 1 – 10

• Radio waves

Question 1 - 20

• What type of high energy wave can be used to see through skin and get medical images of the body?

Answer 1 – 20

• X-rays

Question 1 - 30

• What do we call the portion of the electromagnetic spectrum that we can see?

Answer 1 – 30

• Visible light

Question 1 - 40

• Which part of the electromagnetic spectrum has the highest energy waves?

Answer 1 – 40

• Gamma rays

Question 1 - 50

• Name the parts of the electromagnetic spectrum in order from longest wavelength to shortest.

Answer 1 – 50

• Radio waves• Microwaves• Infrared waves• Visible light• Ultraviolet light• X rays• Gamma rays

Question 2 - 10

• What color process uses the additive color technique to create different colors?

Answer 2 – 10

• RGB

Question 2 - 20

• What are the three primary colors of pigments?

Answer 2 – 20

• magenta,• Cyan• Yellow

Question 2 - 30

• What primary colors are used to create an image on a TV screen?

Answer 2 – 30

• Red• Green• Blue

Question 2 - 40

• What color would be created if a store clerk mixes yellow and magenta pigments into white paint?

Answer 2 – 40

• red

Question 2 - 50

• What happens when white light falls on a piece of blue cloth?

Answer 2 – 50

• The blue light is reflected off and all other colors are absorbed.

Question 3 - 10

• What do we call a translucent material with at least one curved surface?

Answer 3 – 10

• lens

Question 3 - 20

• A plastic or glass triangle that separates white light into colors is called what?

Answer 3 – 20

• prism

Question 3 - 30

• A tube of glass that uses total internal reflection to send signals of light is what?

Answer 3 – 30

• Fiber optics

Question 3 - 40

• A piece of metal or plastic with many slits used to separate white light into color is

Answer 3 – 40

• Diffraction grating

Question 3 - 50

• Using multiple mirrors or lenses to reflect or refract light is an ….

Answer 3 – 50

• Optical system

Question 4 - 10

• Photoreceptors that detect color

Answer 4 – 10

• cones

Question 4 - 20

• Photoreceptors that detect brightness of light

Answer 4 – 20

• rods

Question 4 - 30

• The part of the eye that bends light

Answer 4 – 30

• lens

Question 4 - 40

• Part of the eye that changes light into signals for the brain

Answer 4 – 40

• retina

Question 4 - 50

• The process by which humans use two eyes to see depth

Answer 4 – 50

• Stereoscopic vision

Question 5 - 10

• Where do we find electrons with a higher energy level within the atom?

Answer 5 – 10

• Farther from the nucleus

Question 5 - 20

• Heating a substance until it glows

Answer 5 – 20

• incandescence

Question 5 - 30

• The glow-in-the-dark process where phosphorus atoms slowly release light energy.

Answer 5 – 30

• photoluminescence

Question 5 - 40

• When does an atom emit light?

Answer 5 – 40

• When its electron falls to a lower energy level.

Question 5 - 50

• How does the human eye focus on objects of various distances?

Answer 5 – 50

• The lens changes shape.