CK-12 Physical Science Concepts - For Middle School

5.30. Wave Interactions http://www.ck12.org Summary Three ways that waves may interact with matter are reflection, refraction, ...

http://www.ck12.org Chapter 5. Energy 5.31 Wave Interference Define wave interference. Compare and contrast constructive and de ...

5.31. Wave Interference http://www.ck12.org FIGURE 5.64 Standing Waves Waves may reflect off an obstacle that they are unable to ...

http://www.ck12.org Chapter 5. Energy FIGURE 5.65 When waves are reflected straight back from an obstacle, the reflected waves ...

5.31. Wave Interference http://www.ck12.org What are standing waves? How do they form? ...

http://www.ck12.org Chapter 5. Energy 5.32 Sound Waves Define sound. Describe sound waves and how they are generated. Identify ...

5.32. Sound Waves http://www.ck12.org FIGURE 5.66 A:It wouldn’t unless the vibrations were carried by another medium. Sound wave ...

http://www.ck12.org Chapter 5. Energy able to eavesdrop on a conversation in the next room—not that you would, of course. Summar ...

5.33. Speed of Sound http://www.ck12.org 5.33 Speed of Sound Give the speed of sound in dry air at 20 °C. Describe variation in ...

http://www.ck12.org Chapter 5. Energy TABLE5.3:Speed of Sound in Various Media Medium (20 °C) Speed of Sound Waves (m/s) Dry Air ...

5.33. Speed of Sound http://www.ck12.org Describe what you hear when you play the animation. Explain your observations. Name tw ...

http://www.ck12.org Chapter 5. Energy 5.34 Intensity and Loudness of Sound Define intensity of sound and relate it to loudness. ...

5.34. Intensity and Loudness of Sound http://www.ck12.org FIGURE 5.68 Amplitude and Distance The intensity of sound waves determ ...

http://www.ck12.org Chapter 5. Energy FIGURE 5.69 This diagram represents just a small sec- tion of the total area of sound wave ...

5.35. Frequency and Pitch of Sound http://www.ck12.org 5.35 Frequency and Pitch of Sound Define the pitch of sound. Relate the ...

http://www.ck12.org Chapter 5. Energy FIGURE 5.70 sounds with frequencies too high for the human ear to detect. Other animals ca ...

5.35. Frequency and Pitch of Sound http://www.ck12.org Vocabulary infrasound: Sound with a frequency below the range of human h ...

http://www.ck12.org Chapter 5. Energy 5.36 Doppler Effect Describe the Doppler effect. Explain why the Doppler effect occurs. ...

5.36. Doppler Effect http://www.ck12.org FIGURE 5.72 Experiencing the Doppler Effect As the car approaches listener A, the sound ...

http://www.ck12.org Chapter 5. Energy Review Define the Doppler effect. Explain why the Doppler effect occurs. Does the siren o ...