Science sparks demonstrates elasticity and shows how to make a catapult out of popsicle sticks, rubber bands and a plastic bottle cap. Kids will have fun finding different objects to catapult across the house and seeing how they compare.
Good for ages 8 and up.
Get the instructions here:
http://www.science-sparks.com/2012/01/09/making-a-catapult-looking-at-elasticity/
Almost unschoolers has a simpler popsicle stick catapult using a clothes pin and bottle cap and block of wood to anchor it.
Get the instructions here:
Get the instructions here: