Johnson, Robin

"This ... book describes the properties of sound waves, how they move, and the way our ears catch them. Readers will learn how sound waves travel through different mediums and be amazed by the different ways sound waves are used in real life, such as for communication with animals and deep-sea exploration. A link to interactive activities online plus an activity in the book allow readers to experiment with sound waves to achieve different sounds."--Publisher.

"This engaging book describes the properties of light waves, how they move, and the way our eyes receive them. Readers will learn that we see an object when light reflects from its surface and into the eye. A link to interactive activities online plus an activity in the book allow readers to create models that explore how to redirect and block the path a light wave travels."--.

Introduces readers to shadows and reflections. Its vibrant, hands-on examples help explain what shadows and reflection are, how they work, and how they can be used for communication.

Introduces readers to light and sound waves. Its vibrant, hands-on examples help explain what light and sound waves are, how they work, and how they can be used for communication.

Learn about the engineering design process used by engineers and what they do when they encounter a problem.

Introduces readers to light waves. Its vibrant, hands-on examples help explain what light waves are, how they work, and how they can be used for communication.

Introduces readers to sound waves. Its vibrant, hands-on examples help explain what sound waves are, how they work, and how they can be used for communication.

Provides information about the Mississippi River, following its course from Lake Itasca in northern Minnesota to the Gulf of Mexico, examining the history of people along the Mississippi, discussing its importance to travel and commerce, and looking at efforts to restore the health of the river.

"The shoebill is an African wading bird that looks so weird, its scientific name actually means King Whalehead! In this book, Professor Oddfeather offers bite-sized facts on the shoebill's habitat, silent hunting techniques, and harsh parenting practice"--Provided by publisher.

"The hoatzin is not hard to identify; not only does it have a blue face and red eyes--it smells bad! Professor Oddfeather offers bite-sized facts on the hoatzin's habitat in South America, what makes them hoot and squawk so much, why they smell, and who is in their family tree"--Provided by publisher.