The way things work. Inclined planes [videorecording] / a Millimages, Pearson Broadband and Schlessinger Media coproduction in association with France 5, ZAF, TVO, TFO ; based on the book by David Macaulay.
1 videodisc (13 min.) : sound, color ; 4 3/4 in. + 1 teacher's guide
age Preteens lcdgt
two-dimensional moving image tdi rdacontent
video v rdamedia
videodisc vd rdacarrier
DVD, all regions.
Producer, Emmanuel Franck ; Director, Diego Zamora.
"Teacher's guides included and available online"--Container.
Dropping boulders off a tower makes gravel for the Mammoth Island roads, but lifting the boulders up to the top of the tower is difficult and dangerous. A young Mammoth Islander suggests that rolling boulders up a ramp would be easier than hauling them up a tower.
Special features: discussion questions & activities.