The Fire Triangle
What are the 3 essential components of the fire triangle?
Fuel, Oxygen, and Heat
True or False, Wildfires can be helpful...
True
True or False. The trees that die in a forest fire regrow quickly.
False
wild fires can help your health yes or no
no
What is humidity?
The amount of water vapour in the atmosphere or a gas!
What would happen if one of the 3 components of the fire triangle was removed?
The fire would disappear, be eliminated, cease to exist, etc
Is this a pro: some trees need fires every 25-50 years or so to help them reproduce?
Yes!
What is erosion?
Bonus: how does it occur after a wildfire?
When the soil is loose (this occurs after the trees and plants burn down because nothing is holding their roots in place).
ture or false
can the smoke cause problems for us and animals
TURE!!!!!!!!!
Which part of the fire triangle would RAIN effect and how?
Heat & Fuel
The cold wet rain would remove the heat, and would dampen the fuel making it difficult for the fire to spread further.
What does metal absorb (think screwdriver from our fire lab)?
Heat!
Which pro does not belong from the list below:
-wildfires enrich the soil
-wildfires make room for new life
-wildfires are inexpensive (if near urban areas)
Wildfires are inexpensive (they cost A LOT of money to fight, and to recover from).
The waxy layer that forms (after a wildfire), and erosion put a forest at greater risk for what 2 natural disasters?
Landslides and flooding
what is in the blank
the smoke from the wildfires and/or forest fires can make your ________ _______
eyes sting
In the fire triangle lab, why was oxygen unable slip through the bottom of the glass jar?
The atmospheric gases & pressure in the jar were greater than outside the jar, so it pushed the smoke out and wouldn't let the oxygen in
True or False: controlled burns mean lighting up an environment on purpose, and that environment benefits from it
True!
What are the carbon particles that form in the air during a wildfire typically referred to as?
Smoke Pollution
Smoke inhalation can even lead to a _____ ______ or ______ if enough of it gets into your body.
heart attack or stroke
Which part of the fire triangle would be effected by a sunny day and how?
(Hint, 2 possible answers)
Fuel: drier and easier to burn
Heat: if the weather is hotter, the fire will burn more intensely
What is combustion?
rapid chemical combination of a substance with oxygen, involving the production of heat and light.
What is killed off the forest floor which benefits the forest and makes room for new growth? (2 words)
invasive plants
True or false, animals typically lose their homes and their lives in forest wildfires.
False.
Typically animals survive wildfires (due to their natural instincts), however they do loose their homes.
when the heated smoke u are breathing can cause _______ _____ and ________.
chronic heart and lung diseases.
Which part of the fire triangle would WIND effect and how?
Weather or Oxygen!
It would make the fire bigger and spread faster by inserting more oxygen.