Account of modern astronomers' theories about the universe as well as a study of the solar systems.

This book discusses what colors and pigments are, where you will find them in everyday life, and how people use them.

This book discusses how we know how hot or cold something is, why things melt and freeze, and how people measure and use temperature.

Photographs and simple text teach children what sound is, how people talk, and how sound travels.

"The coniferous forest biome is made up of cone-bearing trees such as pines, firs and spruce, as well as a varied assortment of other organisms adapted to live in this unique region. Coniferous forests will take students on a fun-filled trip from Asia to North America to explore these treasured woodlands, taking an up-close look at their shared characteristics while discovering the animal and plant life that call this biome home. An interview with...

Deserts cover nearly one-fifth of the Earth's land surface. Even in these sand-filled expanses that dot the globe, much life can be found, from plants like cacti and sagebrush to well-adapted animals such as the Gila monster and the sidewinder. Discover how the process of desertification continually changes more land into deserts each and every year. A hands-on demonstration helps explain the different adaptations used by plants and animals to conserve...

" ... In Marine ecosystems, students will explore saltwater environments -- from shorelines to coral reefs -- and learn about the fish, plants, mammals, and insects that depend on each other for survival in this aquatic biome. Examine concepts such as salinity and currents, and find out about the three major life zones found in ocean waters. A fun, hands-on experiment allows students to discover how brine shrimp have adapted to changes in salt concentration,...

Students get a close-up look at the fragile biome that covers 20% of the world's surface from the polar regions to the mountaintops of Europe and North America. Students can also participate in an experiment that demonstrates why tundra plants are dark in color.

Using the new Next Generation Science Standards (NGSS), the My World of Science series provides the earliest readers with background on key STEM concepts. Sound Waves explores the creation and motion of sound waves in a simple, engaging way that will help readers develop word recognition and reading skills. Includes a glossary and index. Simple sentence structure and word usage help readers develop word recognition and reading skills. Includes a glossary...