Simple machines are used to overcome forces all the time. Even our arms are lifting machines that overcome the force of gravity. This exciting book teaches readers how to make simple machines and provides them with an excellent understanding of forces, friction, pulleys and gears.
"synopsis" may belong to another edition of this title.
The author, Jon Richards, has written and edited many science and technology books for children.
"About this title" may belong to another edition of this title.
Seller: Better World Books, Mishawaka, IN, U.S.A.
Condition: Good. Former library book; may include library markings. Used book that is in clean, average condition without any missing pages. Seller Inventory # 9487153-6
Seller: ThriftBooks-Dallas, Dallas, TX, U.S.A.
Library Binding. Condition: Fair. No Jacket. Former library book; Missing dust jacket; Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less. Seller Inventory # G1404239081I5N11
Seller: ThriftBooks-Dallas, Dallas, TX, U.S.A.
Library Binding. Condition: Very Good. No Jacket. Former library book; May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. Seller Inventory # G1404239081I4N10
Seller: ThriftBooks-Atlanta, AUSTELL, GA, U.S.A.
Library Binding. Condition: Very Good. No Jacket. Former library book; May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. Seller Inventory # G1404239081I4N10