1. 6th Grade Science in English
Ms. Martin
Agenda:
May 18, nd Semester
Objective:
To be able to come up with a catapult or trebuchet design.
First:
Notes: the basic elements of a catapult or trebuchet.
Next:
Video Examples
Get into groups, brainstorm, list materials and assign who will bring the different materials in.
Then:
Last:
Class discussion on materials for the basic catapult/trebuchet materials.

2. Trebuchet and Catapult Basic Parts
Lever arm
Fulcrum
Load
Counterweight
Attachments
Locking mechanism

3. Trebuchets use a string to hold the load.
Catapults use a spoon or bucket to hold the load.

4. Xpult: https://www.youtube.com/watch?v=_jEU6KwenIk
Mini Da Vinci:
Paper Trebuchet:
Popsicle Stick Catapults:
Pencil base Catapult:

5. Box Catapult

6. Lego Catapults

7. Xpult CD Catapult Clamp
3 wooden rulers or slats (1 shorter, 2 with holes in them)
A CD
Rubber bands
Chopsticks (2-3 pairs)
Something to act as a pin

8. Bottle Catapult

9. Paper Trebuchet

10. Popsicle Sticks and Rubber Band Catapults
3 rubber bands
1 bucket (bottle cap)
Double sided tape or glue
11 popsicle sticks
16 rubber bands
1 bucket (bottle cap)
Double sided tape or glue

11. ADLC Digital overview of catapults and trebuchets: https://www.youtube.com/watch?v=egZhg7v4NRs