More Second Grade Engineering

What's the use of a lever? To find out,   second graders worked to create models of simple tools.  In that way they would deepen their understanding of that simple machine!

Figuring out how the tool works.

Finding materials for the model.

Sharing results.

Now click on the links below to see Andrew's and Greta's students engineering cool catapults...

Andrew and Greta:  Thanks for sharing your amazing work.