How my students used physics to save the world

I showed pictures of ancient fossils. I told them a story about large beasts that once roamed the land. We talked about the very bad day they had 65 million years ago. Could it happen again…?

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We watched video of the giant rock that exploded over Russia recently.

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earthasteroid

We talked about the space rocks that hit the earth every day. How could we stop a big one? What tools would we need? What knowledge would be necessary? 

An asteroid was headed our way.

We had to stop it.

We prepared. We decided to knock it off course.

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2 CVPM

We studied the motion of our ramming spacecraft and the asteroid. We built a model. We wondered whether our model would be good enough. We practiced. We planned.

We waited…

The day of the asteroid came. Would our knowledge be enough to stop it?

Could we save the world?

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