This week in science class, we studied the wheel and axle and gears. The wheel and axle is believed to be one of the oldest and most important inventions of mankind to make work easier. Even a door knob is a wheel and axle! Gears are a modification of the wheel and axle which have teeth that mesh together. The children did an experiment to discover the "Big Ideas" that 1) gears spin in opposite directions and change the direction of a force and 2) gears can slow things down or speed them up. Afterwards, each class combined their gear sets into these amazing creations. This process was a tribute to class cooperation! See the videos below to be dazzled ....
"Gear of Wonder" by Room 29
"Gear City" by Room 21
3 comments:
I liked the way that your class did their gears.
from
jack.
It was so much fun working with the gears.
From,
Connor
Dear room 29,thats a great gearation! love, Molly
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