a. BALLON BOAT b.BALLON ROCKET, C. BALLON CAR WORKING MODEL

a. BALLON BOAT b.BALLON ROCKET, C. BALLON CAR

BALLON BOAT

A balloon boat is a simple toy boat powered by air escaping from a balloon. When you blow up a balloon and then release the air, it propels the boat forward. The principle behind it is Newton’s third law of motion, which states that for every action, there is an equal and opposite reaction. As the air escapes from the balloon in one direction, it pushes the boat in the opposite direction, causing it to move forward on the water. These types of boats are often used as fun and educational toys to demonstrate basic principles of physics.

BALLON ROCKET

A balloon rocket is a fun and simple science experiment that demonstrates Newton’s third law of motion, similar to the balloon boat. To create a balloon rocket, you need a long piece of string or fishing line, a straw, tape, and a balloon.

Here’s how you can make and use a balloon rocket:

1. Tie one end of the string to a fixed object, such as a chair or doorknob, and stretch the string across the room.

2. Thread the straw onto the string, making sure it can move freely along the length of the string.

3. Inflate the balloon and then pinch the end to keep the air from escaping.

4. Tape the inflated balloon to the straw.

5. Let go of the pinched end of the balloon to allow the air to escape. As the air rushes out of the balloon in one direction, it creates a force that propels the balloon and straw (the rocket) in the opposite direction along the string.

The balloon rocket moves forward because the force of the escaping air (action) pushes the balloon and straw in one direction, while the reaction force pushes the balloon rocket in the opposite direction along the string. It’s a fun way to explore basic principles of physics and motion!

BALLON CAR

A balloon car is another fun and educational project that demonstrates basic principles of physics, particularly the concept of propulsion. To create a balloon car, you’ll need some common materials such as a balloon, a plastic straw, four bottle caps, two wooden skewers or dowels, tape, and a small cardboard or foam board for the chassis.

Here’s a simple way to make a balloon car:

1. Start by constructing the chassis of the car using the cardboard or foam board. Cut out a rectangular shape for the body of the car and attach the bottle caps to each corner using tape. These will act as wheels.

2. Next, cut the plastic straw in half and tape one half horizontally to the front of the car’s chassis. This will serve as the axle for the front wheels.

3. Pierce two holes through the back of the chassis, spaced apart, and insert the wooden skewers or dowels. These will serve as axles for the rear wheels. Attach the remaining half of the straw to the rear skewers to act as the axle for the rear wheels.

4. Inflate the balloon and pinch the end to prevent air from escaping. Tape the balloon to the rear of the car, with the nozzle facing backward.

5. Once the balloon is securely attached, place the car on a smooth surface, such as a table or floor, and release the balloon. As the air rushes out of the balloon, it propels the car forward, with the wheels rolling along the surface.

The balloon car moves forward because the force of the escaping air (action) pushes against the air behind it, propelling the car forward (reaction), according to Newton’s third law of motion. It’s a fun and engaging way to learn about basic physics concepts while having a blast!

Notes:

• Experiment with different designs and materials to optimize the performance of each vehicle.
• Have fun and enjoy experimenting with the principles of propulsion using balloons!