Grade 4

2576 records found. Displaying 1069 - 1080.

Technology

Inventing the Computer

It is hard to imagine that something so important to our daily lives has been around for less than 70 years. People use computers today to calculate, store information, send messages, control More →

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High Interest · Social Studies · Technology

Inventing the Radio

The first successful radio transmission forever changed the way humans communicate, share news, and enjoy entertainment. This comprehensive book combines both the history and technology… More →

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Social Studies

Inventions and Inventors

Edison, Marconi, and Bell. Inventors and Inventions brings these scientists and others to life. Young readers take a front row seat as Thomas Edison invents the light bulb. They'll also… More →

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High Interest

Inventors' Secret Scrapbook

The world's greatest inventors share the secrets of their inventions. • Follow the inventing process step by step. • Read about the races to invent the lightbulb, telephone, and airplane.… More →

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High Interest

Inventors Who Changed the World

Ever had an idea that you thought could change the world? • Thomas Edison lit up the world. • The Wright Brothers helped us fly around it. • Tim Berners-Lee helped us all communicate in… More →

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Life Science

Investigating Electricity

Budding scientists will love learning about the properties of electricity by planning and carrying out investigations that explore how the energy form can be produced, conducted, and converted. More →

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Life Science

Investigating Forces and Motion

Budding scientists will love learning about the properties of forces and motion by planning and carrying out investigations that explore concepts including friction, speed, and gravity. More →

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Life Science

Investigating Heat

Budding scientists will love learning about the properties of heat by planning and carrying out investigations that explore how the energy form can be measured, conducted, and transferred. More →

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