Building a Balloon-Powered Car

This video tutorial guides viewers through building a simple balloon-powered car. It covers the materials needed, such as cardboard, straws, skewers, bottle caps, a balloon, and a rubber band. The tutorial provides step-by-step instructions on preparing and assembling the components, including cutting straws and skewers, drilling bottle caps, and mounting axles. It emphasizes the importance of ensuring smooth movement and proper alignment. The video concludes with attaching the balloon and testing the car's performance.

What is the size of the cardboard piece needed for the project?

• 4 in x 7 in

• 3.5 in x 6.5 in

• 5 in x 8 in

• 2 in x 5 in

Why is it important to have a clean cut on the straws?

• To ensure they fit properly

• To make them easier to paint

• To make them look neat

• To prevent them from bending

What tool is recommended for drilling holes in the bottle caps?

• A knife

• A 764 inch drill bit

• A screwdriver

• A hammer

What is the role of the bamboo skewers in the project?

• To support the balloon

• To measure the distance

• To decorate the car

• To act as axles

What should you ensure when mounting the axles onto the car body?

• They are vertical

• They are diagonal

• They are parallel

• They are perpendicular

What should you do to ensure the wheels spin smoothly?

• Tighten the axles

• Loosen the axles slightly

• Add more tape

• Use larger wheels

What is the main reason for ensuring the axles are parallel?

• To make the car look symmetrical

• To ensure the car moves straight

• To make the car faster

• To reduce the weight of the car

Why is it recommended to use a balloon pump instead of blowing up the balloon with your mouth?

• To save time

• To avoid saliva buildup

• To make it more colorful

• To make it bigger

What is the purpose of the rubber band in the project?

• To hold the wheels

• To measure the length

• To secure the balloon to the straw

• To decorate the car

How should the balloon be attached to the car?

• With a clip

• With Scotch tape

• With a string

• With glue