To return to the chapter summary click Escape or close this document. glencoe.com Image Bank Foldables Video Clips and Animations Standardized Test Practice Chapter Resources Click on one of the following icons to go to that resource. Chapter Review Questions Chapter Summary

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To return to the chapter summary click Escape or close this document. Image Bank Click on individual thumbnail images to view larger versions.

To return to the chapter summary click Escape or close this document. Image Bank To transfer images to your own power point follow the following steps: Open the “Resource” file from the CD-ROM disc – view the file in the “normal view” or “slide sorter view” mode - go to slide #2 – from there you can click through the images and follow these instructions. Click once on the image. Copy the image Go to your own power point document Paste the image. Transfer Images

To return to the chapter summary click Escape or close this document. Image Bank Earthquake Damage

To return to the chapter summary click Escape or close this document. Image Bank Transverse Waves

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To return to the chapter summary click Escape or close this document. Image Bank Amplitude of a Transverse Wave

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To return to the chapter summary click Escape or close this document. Image Bank Sound Waves are Compressional Waves

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To return to the chapter summary click Escape or close this document. Image Bank Electromagnetic Waves from the Sun

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To return to the chapter summary click Escape or close this document. Foldables Waves Make the following Foldable to compare and contrast the characteristics of transverse and compressional waves.

To return to the chapter summary click Escape or close this document. Foldables Fold one sheet of lengthwise paper in half.

To return to the chapter summary click Escape or close this document. Foldables Fold into thirds.

To return to the chapter summary click Escape or close this document. Foldables Unfold and draw overlapping ovals. Cut the top sheet along the folds.

To return to the chapter summary click Escape or close this document. Foldables Label the ovals as shown.

To return to the chapter summary click Escape or close this document. Foldables As you read the chapter, list the characteristics unique to transverse waves under the left tab, those unique to compressional waves under the right tab, and those characteristics common to both under the middle tab. Construct a Venn Diagram

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To return to the chapter summary click Escape or close this document. Waves carry energy from place to place without transporting matter. Waves Transverse waves move particles in matter at right angles to the direction in which the waves travel. 1 1 Reviewing Main Ideas Compressional waves move particles back and forth along the same direction in which the waves travel. The speed of a wave equals its wavelength multiplied by its frequency.

To return to the chapter summary click Escape or close this document. Sound waves are compressional waves produced by something vibrating. Sound Waves The intensity of sound waves is measured in units of decibels. 2 2 Reviewing Main Ideas You hear sound when sound waves reach your ear and cause parts of the ear to vibrate.

To return to the chapter summary click Escape or close this document. Electromagnetic waves are transverse waves that can travel in matter or empty space. Electromagnetic Waves and Light Light waves are electromagnetic waves. 3 3 Reviewing Main Ideas The range of frequencies and wavelengths of electromagnetic waves forms the electromagnetic spectrum. You see an object when light waves emitted or reflected by the object enter your eye and strike light-sensitive cells inside the eye.

To return to the chapter summary click Escape or close this document. Question 1 Chapter Review Imagine that you are looking through a telescope at an enormous volcano erupting on a distant planet. If this were actually happening, you could see the explosions but not hear them. Why not? PS 4.4, PS 4.4c

To return to the chapter summary click Escape or close this document. Chapter Review Answer Light waves can travel through the empty space between Earth and the distant planet, but sound waves can’t. They need a medium in which to travel. No matter how big the explosions were, it wouldn’t make any sound.

To return to the chapter summary click Escape or close this document. Question 2 Chapter Review Answer Wavelengths of light are expressed in _______, which are billionths of a meter. The answer is nanometers. These are written as nm. PS 4.4

To return to the chapter summary click Escape or close this document. Question 3 Chapter Review What is the term for the complete range of electromagnetic frequencies? Answer The electromagnetic spectrum is the complete range of electromagnetic wave frequencies and wavelengths. PS 4.4a

To return to the chapter summary click Escape or close this document. Question 4 Chapter Review All warm bodies emit a kind of radiation. What kind? A. gamma rays B. infrared waves C. ultraviolet waves D. X rays PS 4.4a

To return to the chapter summary click Escape or close this document. Chapter Review Answer The answer is B. This is what you pick up when you use night vision goggles.

To return to the chapter summary click Escape or close this document. Question 5 Chapter Review Which are the electromagnetic waves with the highest energy, the highest frequency, and the shortest wavelengths? PS 4.4a

To return to the chapter summary click Escape or close this document. Chapter Review Answer The answer is gamma rays. These high-energy rays are so powerful they are used in the food industry to kill bacteria.

To return to the chapter summary click Escape or close this document. Standardized Test Practice Question 1 From the point of view of optics, why is a blueberry blue? A. because it absorbs blue wavelengths of light B. because it reflects blue wavelengths of light C. because it emits blue wavelengths of light D. it has nothing to do with wavelengths of light PS 4.4b

To return to the chapter summary click Escape or close this document. Standardized Test Practice Answer The answer is B. Any object is the color it is because it is reflecting those wavelengths back into your eye.

To return to the chapter summary click Escape or close this document. Standardized Test Practice Question 2 If a person is farsighted, then they can see _______. A. all objects clearly B. close objects clearly, but not far off ones C. far off objects clearly, but not close ones D. no objects clearly PS 4.4b

To return to the chapter summary click Escape or close this document. Standardized Test Practice Answer The answer is C. Farsightedness can be corrected by wearing glasses.

To return to the chapter summary click Escape or close this document. Standardized Test Practice Question 3 Light waves travel through space at around _______. A. 30 km/s B. 300 km/s C. 3,000 km/s D. 300,000 km/s PS 4.4

To return to the chapter summary click Escape or close this document. Standardized Test Practice Answer The answer is D. This is called the speed of light, and is as fast as any material object can go in our universe.

To return to the chapter summary click Escape or close this document. Standardized Test Practice Question 4 According to the law of reflection, the angle that an incoming wave makes with the normal equals _______. A. the angle that the outgoing wave makes with the normal B. the normal itself C. the sum of all other possible angles D. 180 degrees PS 4.4

To return to the chapter summary click Escape or close this document. Standardized Test Practice Answer The answer is A; this is the rule by which waves change direction when they move from one medium to another.

To return to the chapter summary click Escape or close this document. Standardized Test Practice Question 5 The bending of a wave around an object is called _______. A. deflection B. diffraction C. deflection D. reaction PS 4.4a

To return to the chapter summary click Escape or close this document. Standardized Test Practice Answer The answer is B. The amount of diffraction will depend on the size of the obstacle.

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