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English
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Description
"In the story of Rapunzel, the prince had to climb Rapunzel's hair to reach the top of the tower, but a pulley system would have been easier to use. Describes how pulleys work, and their uses. Includes a project to build your own pulley system and "In theReal World" examples"--
Author
Series
Language
English
Formats
Description
"The Billy Goats Gruff had to outsmart the troll to cross a bridge, but could have avoided him entirely if they had built a raft. This book discusses the science of rafts, including a project to build and test your own raft, and includes an "In the Real World" feature"--
Author
Series
Language
English
Formats
Description
"The three little pigs stayed safe from the big bad wolf by hiding in a house that could withstand his huffing and puffing. This books examines the science behind strong building that can withstand forces like powerful winds. Includes an activity, fun facts, and an "In the Real World" special feature"--
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