Balloon powered race car By Tyler and Dominic

Purpose The reason that my partner and I are doing this project is to see how far the car goes, and how well it stays together.

Hypothesis I think that our car will go the farthest is because our car has steel wheels with a balloon, and is made with plastic and light weight materials.

My materials list is 1n.2 liter bottle 2. 2 wooden skewers 3. 4 can lids 4. 1 balloon 5. Drill 6. Hot glue gun 7. Drill bit 8. 1 pipe cleaner 9. 2 popsicle sticks 10. Hot glue sticks 11. Tape measure

Procedure First you get a 2 liter bottle Next you drill one hole through the middle of the lids off a Mason jar. Then you drill 4 holes in the bottle about four inches from the front on both sides. Then you drill a hole about 4 inches from the back of the car. Next you get two wooden popsicle sticks and put them through the holes. After that you get the 4 can lids and drill holes in the middle of them and then hot glue 1 on each end of the popsicle sticks. Then you put pipe cleaner between the cart and the wheel on every tire. Next you hot glue two red popsicle sticks right above the two back tires. Finally you take a balloon and stick it through where the lid is supposed to be and wrap it where the lid screws on the end. Blow up the balloon and release it. Measure how far the far goes. Record your results Repeat the last two steps two more times

Results Trial 1 It went 11 feet Trial 2 It went 14 feet

Conclusion We learned that if you make the car out of light weight material and the balloon is really tight around the hole, the balloon will be compressed and go a lot faster because of the pressure inside the balloon. We also leaned that if you make it aerodynamic it will go faster. Our hypothesis was correct.

Acknowledgements Thank you Mrs. Larson for getting us the materials that we needed for cart. Thank you to Tyler’s mom for helping make the car and using her materials and time.