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‘Accompanied by NASA photographs and Dorros’s colorful, lively drawings, the text explains the Earth’s rotation in clear and simple terms. An experiment using a lamp as the ‘sun’ further clarifies the principles introduced.’ —BL.
Day follows night. Night comes after day. What makes this cycle of days and nights happen? Through beautiful photos and spare text, beginning readers will learn about the basic patterns of the Sun and Earth and what causes day and night.
Moonlight is really sunlight! Did you know that the moon doesn't make its own light? Instead, it receives light from the sun and reflects it to us on the Earth. Read and find out about how the sun, the stars and light bulbs make light so we can see.Did you know that moonlight is really sunlight? The moon can't make its own light, so it receives light from the sun and then sends it to us here on the Earth. Any child who's ever wondered about the fascinating properties of light will want to read this classic science title. Readers will even learn how fast light can travel: from the moon to the Earth in less than three seconds! Veteran science author Franklyn M. Branley's lively text and Stacey Schuett's new illustrations combine fun facts and hands-on activities in this accessible introduction to the science of light. Did you know that moonlight is really sunlight? The moon can't make its own light, so it receives light from the sun and then sends it to us here on the Earth. Any child who's ever wondered about the fascinating properties of light will want to read this classic science title. Readers will even learn how fast light can travel: from the moon to the Earth in less than three seconds! Veteran science author Franklyn M. Branley's lively text and Stacey Schuett's new illustrations combine fun facts and hands-on activities in this accessible introduction to the science of light.
What makes the sun rise and set? Our planet is spinning in a universe of sun, moon, and stars. See how a day unfolds in one family's backyard in this story of Earth and sun.
Two poems present the sounds of day and the sounds of night, from a clatter of soapsuds and spatter to the hush of snowflakes touching on the ground as a family gets ready to greet a new baby to their home.
"Sleep is one of the most important but least understood aspects of our life, wellness, and longevity ... An explosion of scientific discoveries in the last twenty years has shed new light on this fundamental aspect of our lives. Now ... neuroscientist and sleep expert Matthew Walker gives us a new understanding of the vital importance of sleep and dreaming"--Amazon.com.
This eleventh edition was developed during the encyclopaedia's transition from a British to an American publication. Some of its articles were written by the best-known scholars of the time and it is considered to be a landmark encyclopaedia for scholarship and literary style.
A collection of activities designed to teach such critical science skills as observing, predicting, ordering, exploring, sorting, and creative thinking.
