Building a Catapult with Everyday Materials

What is the primary historical use of catapults?

• To transport goods across rivers

• To throw large stones at castle walls

• To launch fireworks

• To signal troops in battle

Which material is NOT needed to build the catapult frame?

• Elastics

• Pencils

• Plastic spoons

• Metal rods

What is the purpose of twisting the popsicle stick in the catapult?

• To make the catapult heavier

• To create a decorative pattern

• To increase the length of the arm

• To build up elastic force through torsion

How can you adjust the catapult to throw larger marshmallows?

• By extending the arm length

• By shortening the arm

• By using fewer elastics

• By adding more pencils to the base

What shape should the frame be to support the catapult arm?

• Rectangle

• Square

• Circle

• Triangle