(Paperback)

This book is in the shape of a square. Or is it a rectangle The pages are 2-dimensional. Or are the pages 3-dimensional Geometry is all around us! In Explore Shapes and Angles! With 25 Great Projects, readers ages 7 to 10 will have fun identifying and learning about the properties of the shapes and angles in their world.

(Hardback)

An engaging treasury of age-appropriate science projects invites young enthusiasts to explore different states of matter, explaining how solids, liquids and gases in everyday household objects reflect the chemical and physical properties of molecules.

(Paperback)

An engaging treasury of age-appropriate science projects invites young enthusiasts to explore different states of matter, explaining how solids, liquids and gases in everyday household objects reflect the chemical and physical properties of molecules.

(Hardback)

(Paperback)

In Earth's 4.5-billion-year history, more than 5 billion species have gone extinct, some of them at the same time. Hands-on activities, a fun narrative style, interesting facts, species spotlights, and links to primary sources combine to bring the subject of extinction to life in a fun and engaging way. Full color.

(Paperback)

(Hardback)

Provides an introduction to physics, explaining how skateboarders use force and motion to perform tricks, how gravity determines the path of a baseball throw, and how electricity is used to power toasters and put on rock shows. --

(Paperback)

Provides an introduction to physics, explaining how skateboarders use force and motion to perform tricks, how gravity determines the path of a baseball throw, and how electricity is used to power toasters and put on rock shows. --

(Hardback)

(Paperback)

(Hardback)

Boneswhat are they good for Staying upright, for starters! In Skulls and Skeletons! With 25 Science Projects for Kids, readers ages 7 to 9 learn about the bones in their bodies and why we cant live without them. Hands-on science projects, essential questions, links to primary sources, and more get kids excited about taking a deep dive inside their own bodies!

(Paperback)

Boneswhat are they good for Staying upright, for starters! In Skulls and Skeletons! With 25 Science Projects for Kids, readers ages 7 to 9 learn about the bones in their bodies and why we cant live without them. Hands-on science projects, essential questions, links to primary sources, and more get kids excited about taking a deep dive inside their own bodies!

(Paperback)

Examines the physical science behind the construction of skyscrapers, covering such topics as gravity, inertia, oscillation, and static electricity. Looks at how the engineering and building techniques involved in the creation of present-day skyscrapers evolved over time.

(Paperback)

Examines what technology is, how it evolved, and where the future might lead, focusing on three women scientists.

(Hardback)

Examines what technology is, how it evolved, and where the future might lead, focusing on three women scientists.

(Hardback)

An introduction to the world of the human brain and its effect on behavior covers such topics as brain anatomy, the science of memory, and the latest understanding about the role of lifestyle choices on brain health.

(Paperback)

An introduction to the world of the human brain and its effect on behavior covers such topics as brain anatomy, the science of memory, and the latest understanding about the role of lifestyle choices on brain health.