INCLINED PLANES RAMP IT UP

Nomad Press
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ISBN Softcover: 978-1-64741-102-2
ISBN Hardcover: 978-1-64741-099-5
Educational Consultant, Marla Conn
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Ramp it up! Science style.
Strap wheels on your feet and roll,
Thanks to a simple machine. (Or two!)
Heavy load? No problem!
Use a ramp to slide up, slide down, whatever you need to move.
Dump it out! Turn a flat floor into an inclined plane, And watch the dirt crash to the ground.
Science solves everything!
Imagine building a snowman.
The first snowball is pretty easy—you just roll it to the size you want and let it rest on the ground.
The second snowball might be a little harder—once it’s big enough, you need to lift it on top of the first snowball.
And the third snowball?
That’s a doozy!
What can you do if your snowball is TOO HEAVY to lift onto the stack?
Onething youcanuseis
That ramp is a kind of simple machine —an inclined plane!
It’s much LESS WORK to roll a heavy snowball up a slope than it is to lift it.
Simple machines help us do work.
An inclined plane is a SLOPING surface that makes it easier to move heavy things (such as snowballs) from low ground to high ground. That heavy thing is called the load.
An inclined plane also makes it EASIER to L O WER
by sliding it instead of dropping it.
Imagine dropping that snowman’s head on the ground— splat!