CK-12 Physical Science Concepts - For Middle School

5.69. Electric Conductors and Insulators http://www.ck12.org Materials that have high resistance to electric current are called ...

http://www.ck12.org Chapter 5. Energy 5.70 Ohm’s Law Explain Ohm’s law. Use Ohm’s law to calculate current from voltage and res ...

5.70. Ohm’s Law http://www.ck12.org MEDIA Click image to the left for use the URL below. URL: http://www.ck12.org/flx/render/emb ...

http://www.ck12.org Chapter 5. Energy 5.71 Electric Circuits Define electric circuit. Describe the parts of an electric circuit ...

5.71. Electric Circuits http://www.ck12.org FIGURE 5.156 The voltage source of this simple circuit is a battery. In a home circ ...

http://www.ck12.org Chapter 5. Energy FIGURE 5.157 The circuit diagram in the middle repre- sents the circuit drawing on the lef ...

5.72. Series and Parallel Circuits http://www.ck12.org 5.72 Series and Parallel Circuits Describe a series circuit. Explain how ...

http://www.ck12.org Chapter 5. Energy Q:If one light bulb burns out in this series circuit, how can you tell which bulb it is? A ...

5.72. Series and Parallel Circuits http://www.ck12.org Summary An electric circuit consists of one or two closed loops through ...

http://www.ck12.org Chapter 5. Energy 5.73 Electric Power and Electrical Energy Use Explain how to calculate the electric power ...

5.73. Electric Power and Electrical Energy Use http://www.ck12.org Electrical Energy Use Did you ever wonder how much electrical ...

http://www.ck12.org Chapter 5. Energy 5.74 Electric Safety Explain how a short circuit occurs. Identify safety features built i ...

5.74. Electric Safety http://www.ck12.org FIGURE 5.158 Figure5.159. You can learn more about electric safety features in the hom ...

http://www.ck12.org Chapter 5. Energy Never mix electricity and water. Don’t plug in or turn on electric lights or appliances w ...

5.75. Electronic Signal http://www.ck12.org 5.75 Electronic Signal Define electronic signal and electronics. Compare and contra ...

http://www.ck12.org Chapter 5. Energy FIGURE 5.160 as a string of 0’s (current off) and 1’s (current on). This is called a binar ...

5.75. Electronic Signal http://www.ck12.org Summary A message encoded by changing the voltage of an electric current is called ...

http://www.ck12.org Chapter 5. Energy 5.76 Electronic Component Define electronic component. Describe semiconductors. Outline t ...

5.76. Electronic Component http://www.ck12.org less valence electrons than silicon. This is called doping, and it’s what allows ...

http://www.ck12.org Chapter 5. Energy Transistor A transistor consists of three semiconductors, either p-n-p or n-p-n. Both arra ...