Bridges! by Jennifer Swanson

Bridges! by Jennifer Swanson

Author:Jennifer Swanson
Language: eng
Format: epub
Publisher: Nomad Press


SUPPLIES

*popsicle sticks

*glue

*10 small wooden cubes

*balsa wood

*racecars, trucks, or other small objects

*engineering notebook and pencil

Trusses add support to a bridge, and they look cool, too. Give them a try and see how they work.

1Lay four popsicle sticks flat in a square and glue each corner where two sticks meet.

2Glue one wooden cube on top of each corner.

3Repeat steps 1 and 2 to make another square. Each square should have four cubes on it.

4Take one square and glue three more sticks to it to make a rectangle. It should have two squares attached together to make one rectangle with seven sticks, like the diagram. Glue a stick diagonally through each square.



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