Weighing around 1,300 pounds, an adult dairy cow produces about 90 glasses of milk every day! Young readers will learn the different stages of a cow's life cycle, watching as calves grow into heifers and then adult cows. Blastoff! Series
A look at animal and human cells, and the internal structures that allow them to obtain energy, get rid of wastes, grow, and reproduce
The bodies of living things are made up mostly of water. This fascinating new book shows young children why all plants, animals, and people need water to grow and survive. Interesting photographs feature animals and plants living in water; Frogs and fish laying their eggs in water; and land animals using water to cool off and keep clean.
Through many photographs and illustrations, Food Chains and You conveys how the transfer of energy takes place from the sun to various plants and animals, including people. It shows children how they, too, are part of food chains. The book also gives children tips on how to grow their own food-chain-friendly vegetable garden.
Whoosh . . . the wind blows open a creaky gate. Inquisitive and mischievous, a homeless little cat scampers through - and suddenly finds herself in the wondrous world of an organic farm! Affectionately named "Molly" by the farmers who discover her, she romps, naps, and hunts among the vegetables. Seen through Molly's eyes, the reader discovers the interplay of nature that grows wholesome food. But what will happen to Molly when winter comes? Based on a true story, Molly will touch children's hearts while introducing them to plants and the key elements of growing food organically. Standards-based science concepts and activities at the end of the book expand the message of the story.
British scientist Robert Hooke built an early microscope and was the first scientist to observe cells and give them their name. Anton van Leeuwenhoek created the best microscopes of his time and used them to study living organisms. Matthias Schleiden, Theodor Schwann, and Rudolf Virchow created Cell Theory, which says that all living things are made of cells; cells are the smallest part of a living thing; and all cells come from other cells.
From the crocodiles dentist, to the mongoose spa, Animal Partners takes a whimsical look at symbiotic relationships of animals large and small. Although many animals live in groups of the same kind, here you will learn how some animals form unique partnerships with different species. After all, dont we all need a little help from our friends?