Riley, Peter D

Describes the oceans of the world, explains why people go to sea, and shows what to do to survive in an emergency on the sea.

"Everything is made of matter. In this book, readers will learn to recognize the three states of matter, how to measure matter, and the way temperature changes matter's forms. An introductory lesson on how matter travels in the water cycle invites readers to examine the broader impact of these essential elementary science concepts, and how they affect Earth's weather. Activities and questions are included to bring these concepts to life in a relatable and tangible way".

An introduction to forces and magnets, covering gravity, friction, poles, and more.

Introduce students to different forms of matter and the role it plays in the world around them.

"Readers will learn what stars are made of, how shadows form, and why a mirror reflects an image... Suggested experiments are included for children to try at home to help them observe firsthand how light moves, or how they can use shadows to tell the time"--Publisher.

An introduction to electricity, covering what it is, conductors, circuits, switches, and more.

See fascinating creatures that inhabit the night from dusk until dawn.

This book presents a brief introduction to the basics of animal and human movement.