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Bottle Rocket Fun Quiz

Authored by Mr Vando

Engineering

8th Grade

Used 1+ times

Bottle Rocket Fun Quiz
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24 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of using a 1.25L Coke bottle as the body of a bottle rocket?

To provide a lightweight structure

To ensure the rocket is colourful

To make the rocket more aerodynamic

To increase the rocket's weight

Answer explanation

The primary purpose of using a 1.25L Coke bottle is to provide a lightweight structure, which is essential for the rocket to achieve higher altitudes with less weight, allowing for better propulsion and flight performance.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is a tennis ball used as the nose cone for a bottle rocket?

It adds extra weight to the rocket

It helps to stabilise the rocket during flight

It makes the rocket look more appealing

It increases the rocket's speed

Answer explanation

A tennis ball as a nose cone helps to stabilise the rocket during flight by providing a rounded shape that reduces drag and improves aerodynamics, ensuring a smoother trajectory.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of 3mm coreflute fins on a bottle rocket?

To make the rocket heavier

To stabilise the rocket and improve its flight path

To increase the rocket's speed

To make the rocket more colourful

Answer explanation

The 3mm coreflute fins on a bottle rocket are designed to stabilise the rocket during flight, ensuring a straighter and more controlled trajectory. This helps improve its overall flight path.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the centre of mass when you add a tennis ball as a nose cone?

It moves towards the bottom of the rocket

It remains unchanged

It moves towards the top of the rocket

It moves to the middle of the rocket

Answer explanation

Adding a tennis ball as a nose cone increases the mass at the top of the rocket, causing the center of mass to shift upwards. Therefore, the correct answer is that it moves towards the top of the rocket.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the centre of pressure in a bottle rocket?

The point where the rocket's weight is concentrated

The point where aerodynamic forces are balanced

The point where the rocket's speed is maximum

The point where the rocket's volume is maximum

Answer explanation

The centre of pressure is the point where aerodynamic forces acting on the rocket are balanced, ensuring stable flight. This is crucial for maintaining the rocket's trajectory during ascent.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does a bottle rocket perform without a nose cone and fins?

It flies in a straight line

It becomes unstable and wobbles

It flies faster

It does not launch

Answer explanation

Without a nose cone and fins, a bottle rocket lacks stability, causing it to become unstable and wobble during flight. The fins and nose cone are essential for maintaining a straight trajectory.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of removing fins from a bottle rocket?

The rocket becomes more stable

The rocket becomes less stable

The rocket flies higher

The rocket flies slower

Answer explanation

Removing fins from a bottle rocket decreases its stability. Fins help maintain a straight flight path by providing aerodynamic control. Without them, the rocket is more likely to wobble or veer off course.

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