Put Screws to the Test e-bog
359,43 DKK
(inkl. moms 449,29 DKK)
What do jar tops and water-bottle lids have in common? Both of them are screws! Screws are simple machines. They help us to do jobs more easily. But don't take our word for it. Put screws to the test with the fun experiments you'll find in this book. As part of the Searchlight Books(TM) collection, this series sheds light on a key science questionHow Do Simple Machines Work? Hands-on experiment...
E-bog
359,43 DKK
Forlag
Lerner Publications â„¢
Udgivet
1 august 2011
Genrer
Children’s / Teenage general interest: Science and technology
Sprog
English
Format
pdf
Beskyttelse
LCP
ISBN
9780761380092
What do jar tops and water-bottle lids have in common? Both of them are screws! Screws are simple machines. They help us to do jobs more easily. But don't take our word for it. Put screws to the test with the fun experiments you'll find in this book. As part of the Searchlight Books(TM) collection, this series sheds light on a key science questionHow Do Simple Machines Work? Hands-on experiments, interesting photos, and useful diagrams will help you find the answer!