Whittaker, Helen

Explains the physical forces that determine whether and how toys spin. Contains instructions for a hands-on experiment and includes color illustrations and a glossary.

Explains the physical forces that determine whether and how toys slide across a surface. Contains instructions for a hands-on experiment and includes color illustrations and a glossary.

An introduction to space science that traces the history of the field, discusses how scientists observe space, and describes the scientific principles that form the basis of current theories about the cosmos.

Learn about the tools, equipment, and machinery used in space, and how they allow scientists to continue making discoveries about the universe.

Find out how astronauts prepare for and deal with the challenges of space.

An introduction to the universe that provides information on stars and galaxies, discusses the possibility of life elsewhere, and offers a timeline that traces the history of the universe.

"Discusses how energy use impacts the environment and what you can do to be more eco-conscious"--Provided by publisher.

"Discusses how leisure activities impact the environment and what you can do to be more eco-conscious"--Provided by publisher.

"Discusses how water use impacts the environment and what you can do to be more eco-conscious"--Provided by publisher.

"Discusses how the items we throw away impact the environment and what you can do to be more eco-conscious"--Provided by publisher.