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Child Craft Discovery Science
by World Book
Description:
A) Let’s get moving:
It takes a push or a pull to make things move.
B) Full of energy:
Sunlight, wind and burning coal are just a few forms of energy.
C) Machines makes it easy:
Some very simple machines helps people to get jopbs done.
D) What’s the matter?:
Everythiong around you is made of tiny bits of matter called atoms and molecules.
E) Hot and cold:
When heat energy spreads, things get warmer- or cooler.
F) Seeing the light:
Because lights bounce and bends, you can see the shape, size and colour of objects around you.
G) Currents and sparks:
Electricity travelling through a wire makes things light up, heat up or move.
H) Hear all about it:
Every sound you hear is a vibration.
About The Author
The World Book Encyclopedia is an encyclopedia published in the United States. The encyclopedia was designed to cover major areas of knowledge uniformly, but it shows particular strength in scientific, technical, and medical subjects. It is based in Chicago, Illinois. The first edition (1917) contained eight volumes. New editions have since appeared every year except 1920, 1924, and 1932, with major revisions in 1929 (13 volumes), 1947 (19 volumes), 1960 (20 volumes), 1971 (22 volumes), and 1988 (new typeface and page design, and some 10,000 new editorial features). World Book also publishes children’s non-fiction and picture books under the Bright Connections Media imprint, and educational development and supplemental instructional resources through Incentive Publications by World Book.
The 1917 edition was published by the Hanson-Roach-Fowler Company, but within two years, World Book became the property of W.F. Quarrie & Company. In 1945, the World Book became the property of Field Enterprises. In 1978, World Book was purchased by Scott Fetzer Company, which in turn has been a subsidiary of Berkshire Hathaway since 1985.
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