Transcript Yellowstone Makes a Triumphant Return Ten Years After Fires

Yellowstone Makes a Triumphant
Return Ten Years After Fires
Cause and Effect
Cooperative Questions
• What was the cost of fighting the fires in
Yellowstone National Park?
Cooperative Questions
• In what year was this article written?
Cooperative Questions
• What is the meaning of the word prone in
this sentence?
– Without fire, pine forests grow old,
prone to disease and unnaturally
thick.
Cooperative Questions
• How much of Yellowstone was burned in the
fires?
– This is a simple question that requires
thought!
Cooperative Questions
• What do all of the research project studying
Yellowstone after the fires have in common?
Cooperative Questions
• How many fires burned in Yellowstone and
how many of each type were there?
Identify a Cause or Effect
• “Without fire, pine forests grow old, prone to
disease, and unnaturally thick.”
•What happens in this passage?
•Why does it happen?
Identify a Cause or Effect
• But today, the forest floor is a sea of green –
knee-high pine trees planted, literally, by the
fires of 1988.
• Cause?
• Effect?
Identify a Cause or Effect
• What put Yellowstone’s fires out was not
retardant-dropping planes or armies of
firefighters on the ground. It was a quarter of
an inch of autumn rain.
• Cause?
• Effect?
Identify a Cause or Effect
• Just as fire recharged the pines, so, too, did it
help plants that grazing animals eat.
• Cause?
• Effect?
Infer the Cause or Effect
• “… others (fires) were started by humans.”
What inference can we make about
how humans may have started the
fires?
Focus on Causes
Causes
This is a stated cause!
Effect
Yellowstone
fires
This is a stated cause!
This is an inferred cause!
Focus on Causes
Causes
This is a stated cause!
Effect
Yellowstone
fires
This is a stated cause!
This is an inferred cause!
Focus on Effects
Effects
Cause
Yellowstone fires
Focus on Effects
Effects
Cause
Yellowstone fires
Casual Chain
Initial cause
Intermediate
Cause / effect
Intermediate
cause / effect
Final effect
Casual Chain
fire
Fallen trees
Attract insects
Attract insect –
eating animals
Causal Chain
Pine trees burned
Intermediate
Cause / effect
Intermediate
cause / effect
Final effect
Practice - Cause and Effect
• Explain why the fires in Yellowstone were
helpful. Include two details from the
selection in your answer.
Practice - Author’s Purpose
The author of the selection states “The fires
were helpful." Do you agree with his
statement? Use two details from the
selection to support your answer.
Practice - Evaluate Reasoning
Is the following statement a reasonable
conclusion that readers may draw from the
selection?
Fires are necessary for a healthy forest.
Provide two details from the selection to
support your answer.