When a rubber band is stretched its potential energy increases.
Rubber band catapult designs.
This popsicle stick catapult design is an awesome.
To make this catapult you will need.
The ideal place to tie the rubber band would be at 1 3 rd of the length of the popsicle sticks.
Check out our interesting video on how to make a diy catapult with the rubber band.
To do this you need a hot glue gun and a cap from a water bottle or sports drink bottle.
A juice bottle lid or similar object to use as an ammunition basket.
In this session you will learn how to make a catapult at home.
Catapult with popsicle sticks rubber bands and bottle cap this popsicle stick catapult design is very similar to the one above except you are replacing the spoon with the bottle cap.
Finally physics to talk about what happens and why when the catapult is activated.
This prepares the students to use those same rubber bands in their model catapult design as they will be tweaking the distance the rubber band will be stretching and therefore the.
Science skills are used to test and hypothesize how far the object catapulted will go.
Potential energy can come from gravity but also from elasticity such as a rubber band.
Wait for some time until the glue dries.
Building a catapult design your way middle school curriculum mechanical engineering 236 potential energy is stored in the rubber band.
A simple example is the design of a.
Your catapult is now ready.
Design this easy catapult with craft sticks a spoon and rubbers bands we first ran into this popsicle stick catapult design at the magic house maker workshop.
When it is released it snaps back kinetic energy and its potential energy returns to zero.
The idea is pretty simple and there s lots of variations.
Engineers must understand both potential and kinetic energy.
Push the small container into the glue.
I figured that dowel rods might make a bigger and stronger catapult so we decided to do that instead of pencils.
Put hot glue over the topmost popsicle stick away from the rubber banded end.
Rubber bands to identify the specific spring constant k or stiffness of different rubber bands ccss math content 7 rpa 2.