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Electricity is all around us: cars, telephones, computers, lights
-- the modern world runs entirely on electrons. But what are
electrons? How do they behave? How do we control them? This book
will show you how to build a battery, detect static electricity and
construct a basic current meter, all using common items from your
kitchen. Along the way you'll learn about the meaning of "voltage"
and "current," what makes an LED work and the difference between AC
and DC. The last chapter uses transistors -- the basic building
blocks of every computer -- for lots of interesting experiments.
With plenty of colorful illustrations, historical stories and an
easy, accessible style, "A Kitchen Course in Electricity and
Magnetism" will be a great start for budding and amateur scientists
who want to learn more about how the world works.
This fascinating book examines theories of children's perceptions
of space and place and explores how these theories are applied to
the world of children. The focus is on children in large real world
spaces; places that children live in, explore and learn from. These
include classrooms, playgrounds, homes and yards, towns,
communities, countryside, natural environments, and the wider
world. An international team of authors compare the experiences of
children from different cultures and backgrounds. Often excluded
from discussions of place-design on the presumption of lack of
awareness, young children have many environmental competencies
which should lead to their inclusion. They can read maps and study
photographs, respond to the natural and man-made world with great
sensitivity, and contribute considerably to the community. This
book will appeal to environmental and developmental psychologists
and geographers, and also to planners by linking research on
children's understandings and on their daily lives to
recommendations for practice.
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