(0)
(0)
(0)
(0)
(0)David Armentrout
1) Wheels
Author
Series
Language
English
Formats
Description
Updated for 2020. Clear definitions supported by everyday examples and easy hands-on activities introduce young scientists to wheels.
2) Wedges
Author
Series
Language
English
Formats
Description
Updated for 2020. Clear definitions supported by everyday examples and easy hands-on activities introduce young scientists to wedges.
4) Pulleys
Author
Series
Physical Desc
24 pages : illustrations (some color) ; 25 cm.
Language
English
Description
In this series, you'll explore six simple machines. Each book describes a different one and explains how it helps make our work easier. Experiments and activities give you the chance to work with each simple machine. You'll be surprised at how many you've been using all along! - Back cover.
7) Levers
Author
Series
Physical Desc
24 pages : illustrations (chiefly color) ; 25 cm.
Language
English
Author
Series
Physical Desc
24 pages : color illustrations ; 26 cm.
Language
English
Description
"Climb aboard! Imagine cruising the countryside on a big, comfortable touring bike, rocketing down a strip on a drag bike, or gripping the ice in an extreme speedway race! If these excite you, then your are a motorcycle fan" "[summary]"--Provided by publisher.