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Jeopardy ELECTROMAGNE TIC SPECTRUM WAVESSOUND LIGHT MIX UP Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy.

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Presentation on theme: "Jeopardy ELECTROMAGNE TIC SPECTRUM WAVESSOUND LIGHT MIX UP Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy."— Presentation transcript:


2 Jeopardy ELECTROMAGNE TIC SPECTRUM WAVESSOUND LIGHT MIX UP Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy

3 Electromagnetic waves arranged in the order of increasing frequency is called ________

4 The Electromagnetic Spectrum

5 Name the 2 nd strongest type of electromagnetic wave

6 X Rays

7 The diagram to the left shows the electromagnetic spectrum and some of the different types of radiant energy. The component of the spectrum between ultraviolet light and infrared light interacts with the human eye allowing us to see. What is this component of the electromagnetic spectrum called?

8 Visible light Your Text Here

9 The sun emits all the different types of radiant energy on the electromagnetic spectrum. The Earth does not receive the full impact of all this radiation. The ozone layer in the Earth’s atmosphere absorbs and helps to block which type of radiant energy?

10 Ultraviolet light

11 Scientists have divided the energy in the electromagnetic spectrum in different categories. Each category is defined by a different A.spectrum. A. ray. C. wavelength. D. visibility.

12 Wavelength

13 Which graph shows the wave with the greatest amplitude?

14 A. Shows the wave with the greatest amplitude

15 Which of the above waves has the longest wavelength? A. Wave #1 B. Wave #2 C. Wave #3 D. Wave #4

16 C. Wave # 3

17 In __________ waves, matter in the medium moves forward and backward in the same direction the wave travels.

18 Compressional Waves

19 __________ is a repeating disturbance that transfers energy through matter or open space.

20 Wave

21 Describe compressional and transverse waves. Explain the difference between them. You must include the parts of each type of wave in your explanation along with the definition of the wave.

22 Both types of waves are produced by something vibrating. Compressional waves move back and forth along the same direction the wave is moving. Transverse waves move by causing matter to move at right angles to the direction the wave is moving.

23 Sound reaches our ears because sound makes air particles A. heat up. B. cool down. C. slow down. D. vibrate.

24 vibrate

25 Sound is a type of mechanical energy that is transmitted in the form of A. waves B. light C. heat D. electrons

26 A. waves

27 Through which medium will sound travel the fastest?

28 Solid

29 Sound waves are classified as _________ waves

30 Compressional Waves

31 Describe the functions of the 3 parts of the ear.

32 Outer ear – collects sound waves Middle ear – amplifies or boosts the sounds we hear. Inner ear – sends nerve pulses to the brain that we interpret as sound.

33 A student is investigating how light behaves when it strikes different surfaces. She has a frosted window glass pane, a clear window glass pane, a mirror, and a piece of cardboard. Which of these objects will scatter the most light? Explain your answer.

34 The frosted window glass, because it is translucent

35 The bending of a wave when it moves from one material to another is known as ____

36 Refraction

37 When light hits an object, the rays can pass through it, bounce off it, or be absorbed by it. Light rays that bounce back are _________

38 reflected

39 Why didn’t the light travel in a straight line? Explain what causes this.

40 The light did not travel in a straight line because of refraction. The light slowed down as it went from one medium to the next.

41 Describe the process that occurs when light waves enter your eye and produce a signal in the optic nerve.

42 Light waves are focused by the lens in your eye on the retina. The light is then sent as a signal to the brain through optic nerve, which causes images to be seen.

43 What happens to the path of a light ray as it passes from air into water at an angle? A. Its path widens. B. Its path bends. C. Its path becomes shorter. D. Its path continues in a straight line

44 The light refracts or bends.

45 What type of waves do not require matter to carry energy?

46 Electromagnetic Waves

47 __________ is the distance from the top of one crest of a transverse wave to the top of the next crest in that wave.

48 Wavelength

49 Which of the following characteristics of a wave determine where it will fall within the wave spectrum (shown above)? AMPLITUDE HOW IT IS USED WAVELENGTH WAVE SPEED


51 Name 4 parts of the eye and describe their functions.

52 Cornea – protects the eye; it is also where light entering the eye gets refracted first. Lens – further refracts light that enters the eye and focuses images on the retina Retina – The retina is composed of tiny light sensitive nerves that transfer the energy of the light waves to nerve impulses. Optic nerve – the nerve impulses get sent to the brain through the optic nerve which the brain interprets as sight.

53 Final Jeopardy Name the different types of electromagnetic waves from longest to shortest wavelength. Give an example of the usage of each type of wave.

54 Final Jeopardy Answer Radio waves – radio & tv, satellites, microwaves Infrared – used to detect or produce heat Visible light – used to see U V rays – helps the body produce vitamin B;used to treat skin conditions X-Rays – used to photograph bones Gamma Rays – used to kill bacteria, radiation therapy

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