Mini Catapult
Catapults were used by pirates and medieval knights throughout history.
These machines are quite handy, as long as you know how to aim them!
Materials
ww
8 craft sticks
ww
4 or 5 sturdy rubber bands
ww
school glue
ww
1 plastic bottle cap
ww
cotton balls
Timeframe:
20 minutes
Science
Takeaway
When you press down on the launching stick, you bend the stick and load it
with potential energy. When you let go, this energy is released. It turns into
kinetic energy and transfers to the cotton ball, which shoots through the air.
16
