Life Cycles offers the young scientist a lively introduction to the life cycles of plants, mammals, birds, reptiles, amphibians, fish, and insects. With easy-to-make projects, he or she will make a potato maze, grow beans, and build a food web. By the end of the book, the young scientist will have gained a better understanding of the stages involved in the life cycles of plants and animals
Ayo bergabung dengan Max Axiom untuk mempelajari tentang komunitas, energi, rantai makanan, dan keseimbangan yang diperlukan agar ekosistem tetap ada dan sehat.
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Two squabbling siblings learn about symmetry when their babysitter helps them build and fly a kite.'
Introduce the concept of nonstandar measurement as three friends compete in a sand castle building contest.'
From stone tablets to cell phones, from the days of ancient civilizations to today's modern world and the quest to organize time and lives, the book investigates the development and evolution of one of the world's most important tools.'