10 Inventions that Changed the World (Unit 03: Electricity)


ELECTRICITY

OVERVIEW

LEARN

  • How to identify the topic and main idea of a text

READ

  • Making electricity
  • How appliances use electricity
  • The War of the Currents
  • Alternative energy sources

EXPERIMENT

  • How can a potato create electricity? This simple experiment demonstrates how chemical energy can be turned into electrical energy.

QUICK QUESTION

INSTRUCTIONS: How many things that use electricity can you name in 60 seconds?

  1. Light bulbs
Sample Answers

✔ computers; phones; televisions; refrigerators; washing machines; air conditioners; fans; microwaves; toasters; blenders; vacuum cleaners; hair dryers; electric cars; traffic lights; elevators


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