CK-12 Physical Science Concepts - For Middle School

3.43. Cellular Respiration Reactions http://www.ck12.org Vocabulary cellular respiration: Process in which the cells of living ...

http://www.ck12.org Chapter 3. Chemical Interactions 3.44 Enzymes as Catalysts Define enzyme. Explain why chemical reactions in ...

3.44. Enzymes as Catalysts http://www.ck12.org FIGURE 3.84 Q:This model of enzyme action is called the lock-and-key model. Expla ...

http://www.ck12.org Chapter 3. Chemical Interactions FIGURE 3.85 Explore More Watch the video about enzymes at the following URL ...

3.45. Solutions http://www.ck12.org 3.45 Solutions Describe solutions. Identify the parts of a solution. Define soluble and ins ...

http://www.ck12.org Chapter 3. Chemical Interactions Parts of a Solution All solutions have two parts: the solute and the solven ...

3.45. Solutions http://www.ck12.org FIGURE 3.87 Oil from an oil spill floats on ocean water. Because air is a solution, it is ho ...

http://www.ck12.org Chapter 3. Chemical Interactions Vocabulary insoluble: Unable to dissolve in a given solvent. soluble: Able ...

3.46 Solute and Solvent Contents http://www.ck12.org 3.46 Solute and Solvent Define solute and solvent. Identify solutes and so ...

http://www.ck12.org Chapter 3. Chemical Interactions TABLE3.10:Solutes, Solvents, and States of Matter Type of Solution: Example ...

3.46. Solute and Solvent http://www.ck12.org MEDIA Click image to the left for use the URL below. URL: http://www.ck12.org/flx/r ...

http://www.ck12.org Chapter 3. Chemical Interactions the crystal and surrounded by water. You can watch this happening in the vi ...

3.46. Solute and Solvent http://www.ck12.org Explore More Watch the video about solutes and solvents at the following URL, and t ...

http://www.ck12.org Chapter 3. Chemical Interactions 3.47 Rate of Dissolving Identify factors that affect the rate of dissolvin ...

3.47. Rate of Dissolving http://www.ck12.org MEDIA Click image to the left for use the URL below. URL: http://www.ck12.org/flx/r ...

http://www.ck12.org Chapter 3. Chemical Interactions Summary The rate of dissolving of a solute in a solvent is faster when the ...

3.48. Properties of Solutions http://www.ck12.org 3.48 Properties of Solutions Describe how solutes affect the properties of so ...

http://www.ck12.org Chapter 3. Chemical Interactions FIGURE 3.92 Did you ever see anyone add a fluid to their car radiator? The ...

3.48. Properties of Solutions http://www.ck12.org Summary When a solute dissolves in a solvent, it changes the physical propert ...

http://www.ck12.org Chapter 3. Chemical Interactions 3.49 Solubility Define solubility. Describe how temperature and pressure a ...