Rubber Band Experiment

The first experiment we show uses the potential energy stored in a rubber band to launch a paper rocket.

Rubber band experiment.

Then again that s part of the reason it makes a great activity to add to your kids summer bucket list. Will heat make a rubber band expand and get longer or contract and get shorter. Understanding what happens to the tires of an indycar. It is easiest to have 2 3 people to put the rubberbands on the watermelon.

1 it turns out that the rubber band heats up and cools off due to the changing order of the molecules in the rubber band and a quantity called entropy but i digress. When the rubber band is heated heat energy from the surrounding environment goes into the molecules of the rubber band and causes them to vibrate. Experiment 1 make a paper rocket. Watermelon rubber band experiment.

The rubber in rubber bands is bound together by thousands of long chains of molecules that are coiled together something like a net. The rubber band changes temperature for a different reason 1 than the traditional heat pump but the effect is easy to sense and the test equipment doesn t require a research grant. In this experiment you will find out how the stretching of a rubber band affects the amount of energy that springs out of it. Posted in homeschool view on tuesday october 2 2018.

For this experiment you will need a piece of paper. When you pull a rubber band the molecules uncoil and align themselves closer together as they straighten out. Stretch your science knowledge with this experiment that defies the laws of physics. The work performed by your heat engine in this experiment is the movement of the weight by the expansion and contraction of the rubber band.

Supplies an empty 2 liter soda bottle permanent marker scissors pencil small. I highly suggest doing this watermelon challenge outside as it can make a mess as the name exploding watermelon suggests. Anything attached to the rubber band may be flung forwards or upwards with the force of this energy. Objective investigate how the distance of stretch in a rubber band at rest relates to the distance the rubber band travels after being released.