What is the main scientific principle behind the operation of a Catherine wheel?
KS3/4 Science: Demonstrating Chemistry: The Science of Fireworks

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Social Studies, Physics, Science
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Magnetic force
Gravitational pull
Electromagnetic induction
Centripetal force
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the delay fuse in a firework shell?
To make the firework spin
To ensure the shell reaches its highest point before exploding
To change the color of the explosion
To increase the sound of the explosion
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a Roman candle create its visual effects?
By using a series of lift charges and stars
By spinning rapidly
By using a single large explosion
By releasing colored smoke
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key safety feature when setting up fireworks for a display?
Using fireworks with the loudest sound
Using the smallest fireworks available
Ensuring fireworks are pointed towards the audience
Strapping fireworks to prevent them from falling towards the audience
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main component that makes a fountain firework produce sparks?
Water
Wood
Metal powder mixed with an accelerant
Plastic
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it dangerous to fire rockets in strong winds?
The wind can extinguish the fuse
The rocket may not ignite
The wind can cause the rocket to veer towards the audience
The rocket will explode prematurely
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which metal salt is responsible for producing a green color in fireworks?
Sodium
Barium
Potassium
Strontium
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