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How can we protect a mountain town from falling rocks?

Direction of Motion & Engineering
4.8 (3027 reviews)
Lesson narration:
Scroll for prep

If`a`rock`tumbles
slowly,`what`do`you
think`will`happen
if`it`bumps`into`a
tree?

Now`say`it’s`moving
fast.`What`do`you
think`will`happen
if`it`bumps`into`a
tree?

How`could`you
change`which`way
the`boulder`was
rolling,`so`that`it
wouldn’t`hit`the
house?

Slide Image

push


1 of 4

to move an object away from you

direction


2 of 4

the path an object takes as it moves

experiment


3 of 4

a test used to discover new information about a question
Slide Image

model


4 of 4

a pretend version of something that scientists use when the real thing is too big, small, or complicated to work with
How can we protect a mountain town from falling rocks?
Direction of Motion & Engineering
4.8 (3027 reviews)
Lesson narration:

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