R1- Multiple Choice and V
1. What are the three conditions required for a wildfire to burn? Paragraph B
a) Water, oxygen, heat
b) Fuel, oxygen, heat source
c) Trees, wind, moisture
d) Wind, water, fuel
Answer: b) Fuel, oxygen, heat source
What is a fire-resistant home, and why is it important?
Answer: A fire-resistant home is a structure that is designed to not catch fire easily. It is important because it can help protect communities from wildfires, as evidenced by communities in California that did not burn due to fire-resistant homes.
There was __________ damage after the wildfire passed through the town.
(A large or important amount.)
significant
Wildfires are ___________ in California during the dry season.
(They happen often.)
frequent
Where are wildfires most frequent, and why?
Paragraph Reference: A
Answer: Wildfires are most frequent in areas with wet seasons followed by long, hot, dry seasons. These conditions exist in parts of Australia, South Africa, southern Europe, and the western regions of the United States, which experience particularly dangerous fires.
Which of the following is NOT a common heat source for wildfires? Paragraph B
a) Lightning
b) Hot winds
c) Heat from the sun
d) Water evaporation
Answer: d) Water evaporation
What actions do firefighters take to control a wildfire?
Answer: Firefighters:
Create a fire line by digging a trench or finding a natural barrier, like a river.
Cut down dead trees between the fire line and the fire.
Conduct backburning in areas between the fire line and the fire.
What is a fire line? Paragraph E
a) A line that helps predict the fire’s path
b) A trench dug to block the fire’s spread
c) A water reservoir used to fight fires
d) A protective barrier made of sand
Answer: b) A trench dug to block the fire’s spread
The summer was ________ hot, so wildfires started easily.
(Especially hot.)
particularly
Wearing a mask is _________ when the air is full of wildfire smoke.
(The right or safe thing to do.)
appropriate
What factor does NOT affect the speed at which a wildfire spreads? Paragraph C
a) Shape of the land
b) Weather conditions
c) Type of fuel
d) Number of people nearby
Answer: d) Number of people nearby
What role do planes and helicopters play in fighting wildfires? Paragraph Reference: E
Answer: Planes and helicopters drop water or chemical fire retardant on the fire. Pilots work with firefighters on the ground to know which areas need to be targeted.
What is backburning? Paragraph Reference: Paragraph E
a) Adding water to the fire to slow it down
b) Removing fuel by burning it in a controlled way
c) Using a fire-resistant material to protect homes
d) Bringing in helicopters to drop chemicals
Answer: b) Removing fuel by burning it in a controlled way
Dry grass and dead trees are good _________ for wildfires.
(Things that help fire burn.)
fuel
What are the three conditions needed for a fire to burn? Paragraph Reference: B
Answer: The three conditions needed for a fire to burn are:
Fuel – Anything that can burn, like trees, grass, or homes.
Oxygen – Supplied by the air.
Heat source – Examples include lightning, hot winds, or heat from the sun.
What is one of the strategies to stop wildfires from becoming too big? Paragraph D
a) Adding more fuel to the fire
b) Building water reservoirs
c) Cutting down trees or starting fires on purpose
d) Increasing the wind speed
Answer: c) Cutting down trees or starting fires on purpose
A river can _________ a wildfire from spreading to the other side.
(Stop something from moving forward.)
block
Why are most wildfires caused by people instead of nature? Paragraph Reference: B
Answer: Most wildfires are caused by people, particularly from activities like smoking cigarettes or lighting campfires.
The wildfire may _________ homes near the forest.
(It could hurt or damage them.)
threaten
What are some of the common heat sources that cause wildfires? Paragraph Reference: B
Answer: Common heat sources include lightning, hot winds (like the Santa Ana winds in California), and heat from the sun.
Strong winds can make a wildfire move fast and ____________ the safety of firefighters.
(The fire could harm or put them in danger.)
threaten
How does backburning help control the spread of a fire? Paragraph Reference: E
Answer: Backburning helps by removing fuel (such as plants and trees) in the fire's path through controlled burning, preventing the fire from spreading further.
How do the shape of the land, the weather, and the type of fuel affect how a fire spreads? Paragraph Reference: C
Answer:
Shape of the land: Fire moves faster uphill.
Weather: Strong winds can suddenly change the direction of a fire.
Type of fuel: Dry grass and dead trees burn faster than trees with lots of moisture.
Firefighters sometimes start small fires ______________ to stop bigger ones.
(They do it intentionally, not by accident.)
on purpose
What are some strategies for stopping wildfires from becoming too large? Paragraph Reference: D
Strategies include cutting down trees and starting fires on purpose to clear land, both of which limit the amount of fuel available for the fire.