Johnson, Robin

"Sounds help us understand the world around us. This engaging title provides a close-up look at the science behind different sounds. Readers discover how sound waves travel through different matter and learn about concepts such as echoes, volume, and pitch. Accessible language and relatable examples support reader comprehension"-- Provided by publisher.

"Introduces readers to the science of light waves. Relatable examples, accessible text, and a creative design challenge help readers discover the properties of light waves and their essential role in seeing our world"--Provided by publisher.

Explores different ocean ecosystems, discussing how to protect the planet's waters, what animals live in the water and more.

Provides information about wind, discussing what makes it happen, windstorms, air pressure, and more.

Describes the March on Washington on August 28, 1963 during which Martin Luther King, Jr., gave the "I have a dream" speech, and discusses segregation and the civil rights movement before and after the event.

An exploration of rain forest ecology that discusses the organisms that live there, from wolves and porcupines to monkeys and poison dart frogs.

"Engineers know that there is always more than one possible solution to a problem! This interesting title uses accessible text and relatable examples to explain how engineers test and compare different solutions to determine which solution is best"--.

An introduction to the California gold rush.

The Economics of Making a Movie takes a look at the production process and financing of a big-budget film. Various links in the economic chain include finding someone to finance the film, casting and salaries, scouting locations, set design, contracting for laborers and technicians on the set, advertising costs, film distribution deals, and box office sales.

"Engineers know that there is always more than one possible solution to a problem! This title uses accessible text and relatable examples to explain how engineers test and compare different solutions to determine which solution is best"--Provided by publisher.