Machines (Let's Investigate: Science)
Author | : | |
Rating | : | 4.95 (891 Votes) |
Asin | : | 076140032X |
Format Type | : | paperback |
Number of Pages | : | 64 Pages |
Publish Date | : | 2016-08-22 |
Language | : | English |
DESCRIPTION:
The writing is generally clear, with explanations supported by useful diagrams. The use of examples from everyday life keeps the science lively and relevant. A few "investigations" are included, ranging from making constellations by joining dots (Night Sky) to using red cabbage to test acidity (Matter). At times, however, the level of information offered is inconsistent. For instance, Matter presents detailed discussions of atoms and elements, but molecules are barely mentioned, and defined only in the glossary. Instructions tend to be vague: in the homemade telescope project, for example, the type of glue and the locations of the lenses are not specified. Challenging questions are posed throughout with answers at the back. . Each title also features "workout" blocks, offering mathematical challenges relat
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Examines simple machines, engines, and machines at work.