Beskrivning
Levers are simple machines that make work easier. There are three different classes of levers. Students will learn what levers are, how the classes of levers differ, and how the construction of levers makes work easier.
Bokdetaljer
Format
Pocketbok
Sidor
24 sidor
Språk
Engelska
Publicerad
aug 1, 2009
Förlag
Bellwether Media
Upplagor
2 utgåvor
ISBN-10
1600143253
ISBN-13
9781600143250