Fire Elements
Good vs. Bad
Fire Behavior
Renewable and Nonrenewable
100
The high temperature that starts the fire and keeps it burning is called ______.
The high temperature that starts the fire and keeps it burning is called HEAT.
100
What is one way fires can be beneficial to the forest?
Fires can help by....
Fires can help by..
letting some pinecones open
cleaning out old, dry, and dead plants
adds nutrients to the soil so new plants can gros
controls pests
100
List something that influences fire behavior.
WEATHER, FUEL, and the HEIGHT OF THE SLOPE all impact fire behavior.
100
This renewable energy source uses large wind turbines to turn blades and generate electricity.
This renewable energy source is....
This renewable energy source is WIND.
200
Anything that can burn, such as dry wood, pine needles, leaves, and brush is called ____.
Anything that can burn, such as dry wood, pine needles, leaves, and brush is called FUEL.
200
What is one way fires can be harmful?
Fires can be harmful because....
Fires can be harmful because....
they can destroy roots and seeds
they cause soil erosion (soil runs down the slope)
fast, invasive plants can grow in place of natural plants
weeds can takeover
200
Where would a fire spread the fastest? Explain.
A. A flat plain
B. A hill
C. A steep mountain
A fire will spread the fastest on a___because___.
C. A steep mountain
The fire will spread the most on a steep mountain because heat rises.
200
Coal takes millions of years to form and cannot be replaced quickly. Is coal a renewable or nonrenewable resource?
Coal is a....
Coal is a NONREWABLE resource.
300
____ is a gas that feeds the fire. Wind brings more of it.
OXYGEN is a gas that feeds the fire. Wind brings more of it.
300
What happens to the lodgepole pine cone when a fire happens?
The cone....
The cone opens up and the seeds come out.
300
True or false?
Dry and dead plants will burn more than live and wet plants.
This is true/false because...
TRUE
Dry and dead plants are a source of fuel for fires.
300
Solar energy comes from the sun and will not run out no matter how much we use it. Is solar energy renewable or nonrenewable?
Solar energy is....
Solar energy is RENEWABLE
400
______, ______, and ______ create the fire ______.
HEAT, FUEL, and OXYGEN create the fire TRIANGLE.
400
True or false?
Humans cause roughly 84% of all wildland fires in the United States.
TRUE
Why is this bad? Explain.
This is bad because...
400
List two causes of fires.
_____ and ____ cause fires.
HUMANS and LIGHTNING cause fires.
400
Oil is pumped from deep underground and burned for fuel faster than Earth can make more. Is crude oil renewable or nonrenewable?
Oil is....
Oil is NONRENEWABLE
500
Fire is a _____ reaction.
Fire is a CHEMICAL reaction.
500
True or false?
Prescribed wildfires are bad for the forests.
FALSE
Prescribed wildfires are good for the forests because...
500
Name two things that can prevent fires.
____ and ___ can prevent wildfires.
PRESCRIBED FIRES, FIREFIGHTERS, THINNING OF TREES, can prevent wildfires.
500
Trees can be replanted and grown back within a human lifetime to make paper and wood. Are trees considered a renewable or nonrenewable resource?
Trees are ..
Trees are a RENEWABLE resource.