CK-12 Physical Science - For Middle School

http://www.ck12.org CHAPTER 23 Electricity Chapter Outline 23.1 Electric Charge 23.2 ELECTRICCURRENT 23.3 ELECTRICCIRCUITS 23.4 ...

http://www.ck12.org Chapter 23. Electricity 23.1 Electric Charge Lesson Objectives Define electric charge and electric force. D ...

23.1. Electric Charge http://www.ck12.org Electric Charge and Electric Force Electric chargeis a physical property of particles ...

http://www.ck12.org Chapter 23. Electricity Electric Fields Electric force is exerted over a distance, so charged particles do n ...

23.1. Electric Charge http://www.ck12.org FIGURE 23.5 Atoms are electrically neutral, but if they lose or gain electrons they be ...

http://www.ck12.org Chapter 23. Electricity Conduction Another way electrons may be transferred is through conduction. This occu ...

23.1. Electric Charge http://www.ck12.org FIGURE 23.8 Polarization occurs between a charged and neutral object. Static Electrici ...

http://www.ck12.org Chapter 23. Electricity Lesson Summary Electric charge is a physical property of particles or objects that ...

23.2. Electric Current http://www.ck12.org 23.2 Electric Current Lesson Objectives Define electric current. Explain how voltage ...

http://www.ck12.org Chapter 23. Electricity Graphs of both types of current are shown inFigure23.10. You can watch an animation ...

23.2. Electric Current http://www.ck12.org FIGURE 23.11 Most car batteries, like the one pictured here, are 12-volt batteries. S ...

http://www.ck12.org Chapter 23. Electricity FIGURE 23.12 The simplest type of battery contains a single cell. The electrodes ext ...

23.2. Electric Current http://www.ck12.org caused by electrons in a current bumping into electrons and ions in the matter throug ...

http://www.ck12.org Chapter 23. Electricity Ohm’s Law Voltage, or a difference in electric potential energy, is needed for elect ...

23.2. Electric Current http://www.ck12.org Electric current occurs whenever there is a difference in electric potential energy, ...

http://www.ck12.org Chapter 23. Electricity 23.3 Electric Circuits Lesson Objectives Identify the parts of an electric circuit. ...

23.3. Electric Circuits http://www.ck12.org Electric Circuit Basics A closed loop through which current can flow is called anele ...

http://www.ck12.org Chapter 23. Electricity Circuit Diagrams When a contractor builds a new home, she uses a set of plans called ...

23.3. Electric Circuits http://www.ck12.org FIGURE 23.18 Series and parallel circuits differ in the number of loops they contain ...

http://www.ck12.org Chapter 23. Electricity Consider a microwave that is plugged into a home circuit. Assume the microwave is th ...