This DIY snowball catapult is an excellent way to teach basic engineering concepts while having a blast launching cotton balls across the ... Place the plastic spoon onto one of the popsicle ...

Background A catapult works because energy can ... Try this activity to find out! Plastic bottle cap to hold a cotton ball Cotton ball (If you do not have any available, you can make a small ...

A custom-built catapult is offering cheetahs at Oregon ... The device is a hand-cranked machine that launches plastic balls up to 150ft (46m) into the cheetah habitat, allowing Darlene and Mary ...

George Giavasis, who lives in Northwest Montana, created a tennis-ball catapult for his dog Olive to play fetch with. Sharing his invention online, Giavasis posted a video of the catapult on the ...

We're going to see whose team can fling a tennis ball the farthest. And I don't want to give anything away, but it's going to be my team. So the kind of catapult that we're working on is this big ...

The catapult mechanism, also known as a lever, was, and still is, used to lift and move objects. If you have ever tossed a ball or played on a seesaw you have experienced the power of a lever.