CK-12 Physical Science - For Middle School

18.3. Using Thermal Energy http://www.ck12.org Heating Systems Warming homes and other buildings is an obvious way that thermal ...

http://www.ck12.org Chapter 18. Thermal Energy FIGURE 18.13 The warm-air vent is placed near the floor of the room. Warm air is ...

18.3. Using Thermal Energy http://www.ck12.org FIGURE 18.14 A refrigerator must do work to reverse the normal direction of heat ...

http://www.ck12.org Chapter 18. Thermal Energy FIGURE 18.15 Thermal energy is converted to the kinetic energy of the moving pist ...

18.3. Using Thermal Energy http://www.ck12.org FIGURE 18.16 Combustion within the closed cylinder pushes the piston downward. Th ...

http://www.ck12.org Chapter 18. Thermal Energy Think Critically Compare and contrast external and internal combustion engines. ...

18.4. References http://www.ck12.org 18.4 References Cocoa: F_A (Flickr:seelensturm); Boy in bath: Brandon Doan (Flickr:bdogggu ...

http://www.ck12.org Chapter 19. Waves CHAPTER 19 Waves Chapter Outline 19.1 Characteristics of Waves 19.2 MEASURINGWAVES 19.3 WA ...

19.1. Characteristics of Waves http://www.ck12.org 19.1 Characteristics of Waves Lesson Objectives Define mechanical wave. Desc ...

http://www.ck12.org Chapter 19. Waves FIGURE 19.1 A drop of water causes a disturbance that travels through the pond as a wave. ...

19.1. Characteristics of Waves http://www.ck12.org FIGURE 19.2 In a transverse wave, the medium moves at right angles to the dir ...

http://www.ck12.org Chapter 19. Waves Longitudinal Waves Alongitudinal waveis a wave in which the medium vibrates in the same di ...

19.1. Characteristics of Waves http://www.ck12.org FIGURE 19.6 The compressions and rarefactions of a longitudinal wave are like ...

http://www.ck12.org Chapter 19. Waves MEDIA Click image to the left for use the URL below. URL: http://www.ck12.org/flx/render/e ...

19.1. Characteristics of Waves http://www.ck12.org FIGURE 19.9 Waves topple over and break on the shore because of friction with ...

http://www.ck12.org Chapter 19. Waves Points to Consider When an earthquake occurs under the ocean, it sends waves through the w ...

19.2. Measuring Waves http://www.ck12.org 19.2 Measuring Waves Lesson Objectives Define wave amplitude and wavelength. Relate w ...

http://www.ck12.org Chapter 19. Waves Wave Amplitude and Wavelength The height of a wave is its amplitude. Another measure of wa ...

19.2. Measuring Waves http://www.ck12.org What determines a wave’s amplitude? It depends on the energy of the disturbance that c ...

http://www.ck12.org Chapter 19. Waves andeducation.com/mstm/physics/waves/partsOfAWave/waveParts.htm. FIGURE 19.13 A transverse ...