Building a Balloon-Powered Car

David from the Questacon Science Squad demonstrates how to build a balloon-powered car. He lists the materials needed, including cardboard, skewers, straws, bottle tops, and a balloon. The video provides step-by-step instructions for assembling the car base, attaching the balloon, and testing the car. The tutorial emphasizes the importance of aligning the wheels and securing the balloon to ensure the car moves smoothly. The video concludes with a successful test run of the balloon car.

What is the main purpose of the video tutorial?

• To demonstrate how to make a balloon-powered car.

• To explain the science behind hot air balloons.

• To teach how to make a cardboard airplane.

• To show how to build a model rocket.

Which of the following is NOT a material needed for the balloon car?

• Cardboard

• Glue

• Balloon

• Skewers

What is the purpose of the skewers in the balloon car?

• To attach the wheels to the car.

• To act as the car's axles.

• To hold the balloon in place.

• To decorate the car.

Why is it important to ensure the wheels are straight?

• To make the car look nice.

• To make the car heavier.

• To ensure the car moves forward smoothly.

• To prevent the car from flying.

What should you do with the bendy straw before attaching it to the balloon?

• Cut it into two equal pieces.

• Attach it directly to the car.

• Paint it red.

• Bend it into a circle.

How do you secure the balloon to the straw?

• With a piece of string.

• Using an elastic band.

• With a paper clip.

• Using glue.

What color balloon is used in the demonstration and why?

• Blue, because it is calming.

• Red, because it is considered the fastest.

• Yellow, because it is bright.

• Green, because it is eco-friendly.

What is the final step before testing the balloon car?

• Painting the car.

• Cutting the straws again.

• Blowing up the balloon.

• Adding more wheels.

What is the purpose of the sticky tape in the construction?

• To hold the straws and balloon in place.

• To decorate the car.

• To attach the wheels to the skewers.

• To make the car heavier.

Where can you find more information about making a balloon car?

• In a car manual.

• On the Questacon Science Squad website.

• In a cooking book.

• In a science textbook.