CK-12 Physical Science - For Middle School

4.1. Solids, Liquids, Gases, and Plasmas http://www.ck12.org example inFigure4.6. FIGURE 4.6 When you add air to a bicycle tire, ...

http://www.ck12.org Chapter 4. States of Matter FIGURE 4.7 Both the northern lights (aurora borealis) and a plasma TV contain ma ...

4.1. Solids, Liquids, Gases, and Plasmas http://www.ck12.org FIGURE 4.8 Kinetic energy is needed to overcome the force of attrac ...

http://www.ck12.org Chapter 4. States of Matter FIGURE 4.9 The surface of water in the glass is curved upward. How does surface ...

4.2. Behavior of Gases http://www.ck12.org 4.2 Behavior of Gases Lesson Objectives Define pressure. State the gas laws. Vocabu ...

http://www.ck12.org Chapter 4. States of Matter at sea level, the amount of force would be equal to 10.14 newtons per square cen ...

4.2. Behavior of Gases http://www.ck12.org FIGURE 4.12 As the volume of a gas increases, its pressure decreases. FIGURE 4.13 Gas ...

http://www.ck12.org Chapter 4. States of Matter Amonton’s Law Amonton’s law was discovered in the late 1600s by a French physici ...

4.2. Behavior of Gases http://www.ck12.org Lesson Summary Particles of a gas are constantly moving and bumping into things. Thi ...

http://www.ck12.org Chapter 4. States of Matter 4.3 Changes of State Lesson Objectives Explain the role of energy in changes of ...

4.3. Changes of State http://www.ck12.org Introduction to Changes of State What causes clouds to form? And in general, how does ...

http://www.ck12.org Chapter 4. States of Matter Freezing The warmer water in the tray loses heat to the colder air in the freeze ...

4.3. Changes of State http://www.ck12.org FIGURE 4.20 Molten (melted) iron is poured into a mold at a foundry. It takes extremel ...

http://www.ck12.org Chapter 4. States of Matter FIGURE 4.21 Evaporation of water occurs even at rel- atively low temperatures. T ...

4.3. Changes of State http://www.ck12.org Sublimation The process in which a solid changes directly to a gas is calledsublimatio ...

http://www.ck12.org Chapter 4. States of Matter FIGURE 4.24 Frost is solid water that forms when water vapor undergoes depositio ...

4.4. References http://www.ck12.org 4.4 References Etienne Berthier, Université de Toulouse, NASA Goddard Space Flight Center. ...

http://www.ck12.org Chapter 5. Atoms CHAPTER 5 Atoms Chapter Outline 5.1 Inside the Atom 5.2 HISTORY OF THEATOM 5.3 MODERNATOMIC ...

5.1. Inside the Atom http://www.ck12.org 5.1 Inside the Atom Lesson Objectives Compare and contrast protons, neutrons, and elec ...

http://www.ck12.org Chapter 5. Atoms FIGURE 5.1 This simple atomic model shows the par- ticles inside the atom. The Nucleus At t ...