Telephone

With all the time you spend on the phone, did you ever wonder how it works? In this BrainPOP movie, Cassie and Rita explain everything you’ve ever wanted to know about telephones! Discover the processes by which phones convert sound into electrical energy, and how they’re able to transmit signals over long distances. From the wall jack, through the wires, to your handset and back, you’ll learn about phone features such as the duplex coil, the exchange, and the hook switch. You’ll even learn how the electrical signals produced by touch-tone sounds work! So put down the phone and watch this movie — you’ll be glad you did!

Thomas Edison Lesson Plan: How Inventions Build Upon Each Other

In this lesson plan, which is adaptable for grades 3-8, students use BrainPOP resources to identify important accomplishments in the life of Thomas Edison. Students will also research later inventions that utilized Edison's scientific findings and/or improved on his inventions. This lesson plan is aligned to Common Core State Standards.  See more »

Invention of the Telephone Lesson Plan: From Alexander Graham Bell to the Cell Phone

In this lesson plan, which is adaptable for grades 2-3, students use BrainPOP Jr. resources to identify and sequence important accomplishments in the life of Alexander Graham Bell. Students then research another invention that improved upon Bell's original telephone. They’ll also participate in creating a number line showing when technology inventions were made and make inferences based upon it. This lesson plan is aligned to Common Core State Standards.  See more »

Science Fair Lesson Plan: Planning Projects with BrainPOP and BrainPOP Jr.

In this lesson plan, which is adaptable for grades K-12, students use BrainPOP and/or BrainPOP Jr. resources to learn about planning projects when they create a science fair exhibit.  They will select their topic, explore the criteria for planning, and design a compelling and realistic experiment based on their topic. This lesson plan is aligned to Common Core State Standards.  See more »

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