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HF2 CH19


Chapter 19: Current and Resistance
Welcome to Holt Physics. Chapter 19 describes the movement of electric charge and the factors that affect the ease with which charges move through different materials. Use the links below to find learning tools that will help you review the chapter and extend your study of electric current and electric power.
	Review and Practice
		Reading Skills: K-W-L This worksheet will help you organize your thoughts before and after you read the chapter or an article.

		Glossary of Terms: Chapter 19 Use this handy glossary to enhance your proficiency with the terms found in this chapter.

		Homework Help: Chapter 19 Study Guide Select one of the sections listed below to review key skills and concepts from the chapter. Section 1 \|\| Section 2 \|\| Section 3 \|\| Mixed Review

		Math Skills: Electric Power Test your ability to calculate electric power.

		Math Skills: Resistance Express your knowledge of resistance.

		Practice Problems: Chapter 19 Select one of the topics listed below to practice using the concepts found in this chapter. Current Resistance Electric Power Cost of Electrical Energy

		Quiz Yourself: Current and Resistance Click here to test your knowledge of currents and resistance.

		Teacher Notes
	Enrichment and Extension
		Online Research: SciLinks Visit NSTA's SciLinks Web site, which links you to some of the most up-to-date science information on the Internet. When you get to the site, log in, and then enter a keyword for the topic you want to research. The topics and keywords for Chapter 19 are listed below. TOPIC: Electric Current SciLinks CODE: HF2191 TOPIC: Generators SciLinks CODE: HF2192 TOPIC: Ohm’s Law SciLinks CODE: HF2193 TOPIC: Superconductors SciLinks CODE: HF2194

		Integrating Biology: Electric Eels Electric eels produce electricity with electroplaques. Learn more about these eels here.

		Real World Applications: Appliance Energy Use and Cost Study electrical energy to determine the cost of operating different appliances.

		Integrating Health: Recording Electricity in the Brain How is electrical activity in the brain detected and recorded? Find the answer here.

		Real World Applications: Electric Shock: Caution! Identify the direction traveled by electricity and the effects of electric shock.

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