CK-12 Physical Science Concepts - For Middle School

4.28 Law of Conservation of Momentum 4.28 Law of Conservation of Momentum State the law of conservation of momentum. Describe a ...

http://www.ck12.org Chapter 4. Motion and Forces momentum than before. FIGURE 4.52 Q: What if two skaters have a head-on collisi ...

4.28. Law of Conservation of Momentum http://www.ck12.org law of conservation of momentum: Law stating that, when an action and ...

http://www.ck12.org Chapter 4. Motion and Forces 4.29 Pressure in Fluids Explain why fluids exert pressure. Relate pressure to ...

4.29. Pressure in Fluids http://www.ck12.org Pressure, Force, and Area Pressureis defined as the amount of force acting on a giv ...

http://www.ck12.org Chapter 4. Motion and Forces FIGURE 4.55 Q: If the break-dancer lies down on the ground on his back, his wei ...

4.29. Pressure in Fluids http://www.ck12.org FIGURE 4.56 Summary All fluids exert pressure because their particles are constant ...

http://www.ck12.org Chapter 4. Motion and Forces 4.30 Oceanic Pressure Explain how and why water pressure changes with depth in ...

4.30 Oceanic Pressure 11,000 meters below the surface, the pressure is tremendous. You can see a video showing changes in water ...

http://www.ck12.org Chapter 4. Motion and Forces FIGURE 4.58 Water pressure makes it difficult to explore the deep ocean. The p ...

4.31 Air Pressure and Altitude 4.31 Air Pressure and Altitude Explain how and why the pressure of the atmosphere changes with i ...

http://www.ck12.org Chapter 4. Motion and Forces FIGURE 4.59 The depth (distance from top to bottom) of the atmosphere is great ...

4.31. Air Pressure and Altitude http://www.ck12.org FIGURE 4.61 Q: Can you think of other ways that air pressure is useful? A: Y ...

http://www.ck12.org Chapter 4. Motion and Forces those elevations (altitudes). Then make a graph of the atmospheric pressures of ...

4.32 Pascal’s Law 4.32 Pascal’s Law State Pascal’s law. Describe how Pascal’s law applies to a tube of toothpaste. Explain how ...

http://www.ck12.org Chapter 4. Motion and Forces Pascal and His Law Some of the earliest scientific research on pressure in flui ...

4.32. Pascal’s Law http://www.ck12.org FIGURE 4.63 Hydraulic Brakes A: The pressure exerted by the fluid on the brake shoes is a ...

http://www.ck12.org Chapter 4. Motion and Forces Vocabulary Pascal’s law: SI unit for pressure, equal to 1 Newton per square me ...

4.33 Bernoulli’s Law 4.33 Bernoulli’s Law State Bernoulli’s law. Relate Bernoulli’s law to flight. Look at the large bar (labe ...

http://www.ck12.org Chapter 4. Motion and Forces FIGURE 4.65 Summary Bernoulli’s law states that the pressure of a moving fluid ...