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fireworks displayThe Weather Network
•71% Informative
Canada Day fireworks come in many shapes, styles, and sizes.
Each is based on a combination of two components — the sparkler and the firecracker.
The characteristic sparks thrown off by a sparkler result from burning a very specific mixture of chemicals and powders.
Even though sparklers don't explode, anyone holding one — especially children — should be very careful!.
The light produced during a firework explosion is due to the atoms of the above elements absorbing energy from the heat of the combustion, and then releasing that excess energy as photons of light.
The exact amount of energy that goes into a photon determines the frequency and wavelength of the light it represents, which determines the colour of that light.
Copper atoms release photons in the more energetic blue part of the spectrum, while barium emits mostly green light, and strontium releases mostly red light.
Much of the western half of Canada is experiencing some level of drought.
Four of British Columbia's six Fire Centre regions have a complete ban on any kind of open fire larger than a campfire.
In Alberta , there are numerous fire advisories and restrictions in place.
VR Score
57
Informative language
50
Neutral language
11
Article tone
semi-formal
Language
English
Language complexity
51
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Hate speech
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Attention-grabbing headline
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Known propaganda techniques
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Time-value
long-living
External references
10
Source diversity
8
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