Firework colours
Which salt is used to make blue sparks?
Copper salts
What are stars used for?
To create certain colours.
True or False:Fireworks are a physical change.
False
What was the size of my shell?
5.08 cm
Which salt make orange sparks?
Calcium salts
What is a comet firework?
Comets leave a trail of sparks.
Where are fireworks originally from?
China
What was the height of my firework?
60.96 m
Which salt make red sparks?
Strontium salts
What is gunpowder used for?
Gunpowder is used to propel the firework skyward.
Which country made fireworks a beautiful sight?
Italy
What is the distance of the firework?
42.67 m
Which two salts make purple sparks?
Copper & strontium salts
True or False:The time delay fuse is hidden inside the shell.
Which colour is the rarest colour?
Blue
What is the Initial velocity?
35.82 m per second
What is the combination for silver sparks?
White hot magnesium & aluminium
What is a peony firework?
This firework display has a flower-like explosion making a perfect circle.
True or False:Fireworks can change colours mid-air?
True
What is the diameter of the firework?
27. 49 m