Physical Science

Without the sun, nothing could live on Earth. Its light helps plants make energy, and it provides warmth. People have found lots of ways to make their own light, too, from prehistoric fires to today's lasers. But what exactly is light? Readers will learn this and lots more! Including cool topics such as bioluminescence and X-rays, the main content illuminates an important curriculum concept with relatable examples and cool photographs to accompany each section. Fun facts add even more interesting information about light waves, color, refraction, and reflection.

At one time, fighter pilots thought they could never fly faster than the speed of sound. Now, many planes-and the people in them-hurdle through the sky at Mach 1! Readers will find sound a fascinating subject as they discover the many ways this form of energy is used today, including ultrasound machines that allow doctors to check on unborn babies and the various pitches of musical instruments used in music. Including information about how human and animal ears hear, the main science content will enhance physical science knowledge learned in the classroom. Fact boxes and colorful photographs help readers relate to the concepts of sound travel, echo, and sound pollution, among others. From beginning to end, the basics of sound come through loud and clear!

Simple text and bright photographs explain the concept of magnetism for beginning readers. The book concludes with a simple, kid-friendly activity.

Introduce young scientists to the basics of matter! Through full-color photos and simple, easy-to-follow text, this nonfiction book introduces emergent readers to the basics of physical, including information on the states of matter. All Pebble Plus books align with national and state standards and are designed to help new readers read independently, making them the perfect choice for every child.

Simple text and bright photographs explain the concept of electricity for beginning readers. The book concludes with a simple, kid-friendly activity.

Simple text and bright photographs explain the concept of light for beginning readers. The book concludes with a simple, kid-friendly activity.

Simple text and bright photographs explain the concept of forces for beginning readers. The book concludes with a simple, kid-friendly activity.

Simple text and bright photographs explain the concept of sound for beginning readers. The book concludes with a simple, kid-friendly activity.

Learning about forces and motion is thrilling! Cyclists battle gravity to climb steep hills. Fighter pilots wear special suits to combat incredible g-forces. Even simple machines have cool uses on construction sites! Readers will learn all about gravity, friction, and more through explanations using both familiar and extraordinary situations. Bright, colorful photographs will keep readers engaged as the forces are shown at work in exciting ways, such as in skydiving, rollercoaster construction, and super-fast cars. Incredible fact boxes add even more detail to the science curriculum-based main content, which includes famous discoveries such as Newton's laws of motion. With all this new knowledge, readers will be in for quite a ride!