# DIY Balloon Car: A Fun and Easy STEM Project

DIY Balloon Car: A Fun and Easy STEM Project

Looking for a fun and educational activity to do with your kids? Look no further than this DIY balloon car project! This project is perfect for kids of all ages, and it's a great way to teach them about STEM (science, technology, engineering, and math) concepts. Plus, it's just plain fun!

## Materials:

• Fishing line
• Balloons
• Glue dots or tape
• Straw
• Decorations (optional)

## Instructions:

1. Decorate your balloon. You can use crate paper, stickers, or markers to add some personality to your balloon car. Be creative!
2. Attach the fishing line to the balloon. Cut a piece of fishing line about 12 inches long. Tie one end of the fishing line to the neck of the balloon, and the other end to the straw.
3. Attach the glue dots or tape to the straw. Place a few glue dots or pieces of tape on the straw, about 2 inches apart. These will help to keep the balloon from slipping off the straw.
4. Blow up the balloon. Blow up the balloon until it is about the size of a softball. Be careful not to overinflate the balloon, or it could pop.
5. Let the balloon car go! Hold the straw and let the balloon car go. The balloon will deflate and the car will zoom across the floor. Watch out, it might just go really fast!

## How It Works:

The DIY balloon car works on the principle of Newton's third law of motion, which states that for every action, there is an equal and opposite reaction. When you blow up the balloon, you are creating air pressure inside the balloon. This air pressure pushes against the inside of the balloon, and the balloon pushes back against the air. When you let go of the balloon, the air pressure inside the balloon pushes the balloon forward, and the balloon car moves in the opposite direction.

## Troubleshooting:

• If your balloon car doesn't move very far, try blowing up the balloon more.
• If your balloon car veers off course, try adjusting the position of the glue dots or tape on the straw.
• If your balloon car pops, don't worry! Just start over with a new balloon.

## Extension Activities:

• Try different types of balloons. See how the size, shape, and material of the balloon affect the performance of the car.
• Try different types of straws. See how the length, width, and material of the straw affect the performance of the car.
• Add weight to the car. See how the weight of the car affects its performance.
• Change the surface that the car races on. See how the surface affects the performance of the car.

This DIY balloon car project is a great way to teach kids about STEM concepts in a fun and engaging way. So what are you waiting for? Get started today!