• Record at least TWO ideas that can help you in your design of a bridge

• Comments in the research section of our portfolio.

Build the longest structure that you can beginning from the given plywood board.

1. You may only use Knex and string.
2. You must only touch the wooden board.
3. Measured from board to a perpendicular dropped from the structure.

• still pic with labeled measurement and arrows.

Using Google searches and the Wall of Knowledge, research Trebuchet construction.

You may also view the NOVA Trebuchet movie that we have in the lab.

• Record at least TWO ideas that can help you in your design of a trebuchet.
• Make a sketch using a software program with design measurements of your trebuchet.

• Comments in the research section of our portfolio.
• Diagram included when you hand in your portfolio.

90 pts = 20 ft

80 pts = 15 ft

70 pts = 10 ft

60 pts = 5 ft

Build a trebuchet that shoots a tape ball (masking or duct) the farthest.

1. You may only use Knex and string.
2. You may use modeling clay for ballest/counterweight.
3. Distance will be measured from a lin which the front of your Trebuchet is behind.
4. Use caution and common sense when testing so as not to put other's in harm's way.

• pics
• mad praise from the Vista Vine