Unit 2 Lesson 7B/8

Multiple Choice

Which of the following best describes where wildfires are most likely to occur around the world?

• Wildfires are common in cold, icy regions like Antarctica.

• Wildfires mostly happen in dry, hot areas like Australia, California, and the Amazon rainforest.

• Wildfires mainly occur in wetlands and tropical islands with heavy rain.

• Wildfires are found only in small mountain villages in Europe.

Multiple Choice

Which statement best explains how zombie fires in the Arctic compare to other wildfires around the world?

• Both zombie fires and other wildfires burn only on the surface and go out quickly.

• Other wildfires are caused only by humans, but zombie fires are caused only by lightning.

• Both zombie fires and other wildfires are fueled by dry vegetation and release carbon dioxide into the atmosphere.

• Zombie fires only burn underground while other wildfires burn only above ground.

Multiple Choice

Which of the following best explains how human actions in the past have affected the likelihood of wildfires today?

• Humans planted large numbers of drought-resistant plants that prevent fires from starting.

• Humans only built homes in cities and avoided forests, reducing wildfire risks.

• Humans cooled the climate by planting extra trees in wildfire-prone areas.

• Humans have drained wetlands and changed traditional land practices, leading to drier landscapes.

Multiple Select

What type of reactions naturally occur in areas of wildfires?

• combustion

• cellular respiration

• photosynthesis

• nuclear

Multiple Choice

What types of energy are found in photosynthesis and cellular respiration?

• sound

• chemical

• heat

• light

Open Ended

How and why are carbon sinks in this ecosystem likely to burn?

Multiple Select

What are sources for carbon in carbon sinks?

• oxygen

• water

• carbon dioxide

• glucose

• Near equator

• people burning forest & peat to make rice fields

• government creating dams less water to lakes

​

Tonle Sap, Cambodia

• Redwood forest

• Governments fire suppression policies

• Increased temperatures & drought

​

California

• Grass & eucalyptus forest

• Government fire suppression polices

• Cultural burning has been stopped

• Very hot, severe droughts, high winds

​

Victoria, Austalia

• Near equator

• droughts

• Forests cleared for farmland

• Government fire suppression policies

​

Cerrado, Brazil

• Forest + swamp --> peat

• draining of swamps creates drier forests

• increased temperature

• decrease rain

​

Great Dismal Swamps

Government Fire Supression

Historically...

Has been focused on STOPPING fires; including cultural burns that were used to limit the improve the soil quality and limit the amount of fuel for wildfires

Multiple Select

What are some similarities between the different carbon sinks?

• Higher Temperatures

• Lots of vegetation

• Less rain/water

• Government fire suppression policies

Multiple Choice

What happens to the carbon stored in carbon sinks during a wildfire?

• It becomes permanently trapped in the soil and no longer affects the atmosphere.

• It is released into the atmosphere as carbon dioxide, contributing to greenhouse gas levels.

• It turns into oxygen and is absorbed by nearby plants.

• It is converted into water vapor, which cools the surrounding area.

Drag and Drop

If there are no ​

Placeholder

then the carbon in ​

Placeholder

will not be able to return back into the atmosphere.

Drag these tiles and drop them in the correct blank above

sun

cellular respiration

oxygen

decomposers

dead matter

Dropdown

Human activity affects the climate by releasing ​

Select answer

and other greenhouse gases into the atmosphere, which ​

Select answer

the Earth's temperature.

Multiple Choice

How have decisions made by people in power affected the likelihood of wildfires?

• They have had no impact, since wildfires are caused only by natural factors like lightning.

• Policies allowing controlled burns have increased the frequency of wildfires worldwide.

• Leaders have completely prevented wildfires through strict fire suppression efforts.

• Land management and climate policies have sometimes increased wildfire risk by allowing fuel buildup or contributing to climate change.

Open Ended

Do you think people should be concerned that wildfires are adding more carbon dioxide to the atmosphere? Why or why not?

Open Ended

What investigation have we already done that helped us figure out the effects of carbon dioxide in the atmosphere?

Open Ended

How can we apply the knowledge from this laboratory to predict the impact of increased carbon dioxide emissions from wildfires?

Multiple Choice

The bottle represents which part of the Zombie fire system?

• fuel

• ecosytem

• oxygen

• fire

Multiple Choice

The Alka-Seltzer tablet represents which part of the Zombie fire system?

• fuel

• ecosystem

• Water

• fire

Multiple Choice

The water represents which part of the Zombie fire system?

• ecosystem

• fire

• oxygen

• fuel

Multiple Choice

The water + alka seltzer reaction represents which part of the Zombie fire system?

• fire

• water

• fuel

• oxygen

Multiple Choice

The CO2 in the bottle represents which part of the Zombie fire system?

• CO2

• fuel

• Water

• fire

Multiple Choice

The heat lamp represents which part of the Zombie fire system?

• water

• oxygen

• sun

• fuel

Multiple Choice

The relationship between carbon dioxide and temperature is

• inverse

• direct

• exponential

Multiple Select

Which of the following are causes of the direct relationship between CO2 amount and temperature in the bottle system experiment?

• Energy transfer from the lamp to the bottle

• Energy transfer from CO2 to water

• Energy transfer from decomposers to peat

• Energy transfer from the bottle to the air

Open Ended

Imagine you are texting a friend. Write one sentence that explains the progress we have made in figuring out the effects the smoke from the fires have on the atmosphere and what these effects then cause.

Open Ended

Our investigation system was a closed system. Energy was able to enter or leave the system, but the matter was trapped inside the bottle throughout the investigation. How does this compare to the system at each individual fire studied?

Open Ended

How does what happens in one ecosystem (e.g., the Great Dismal Swamp) affect other ecosystems?

Multiple Choice

Which of the following best describes the relationship between atmospheric CO2 concentration and global temperature anomaly from 1980 to 2018, as shown in the graph?

• Both CO2 concentration and temperature anomaly increased steadily over time.

• CO2 concentration increased while temperature anomaly decreased.

• Temperature anomaly increased while CO2 concentration remained constant.

• Both CO2 concentration and temperature anomaly fluctuated randomly.

Open Ended

How does the graph relate to the data we collected in our investigation?

Multiple Select

Which of the following are possible reasons why people care that wildfires are adding more carbon dioxide to the atmosphere?

• It can contribute to global warming.

• It can affect air quality and health.

• It can disrupt local ecosystems.

• It can reduce rainfall worldwide.

Open Ended

After learning about wildfires and zombie fires, what questions do you still have or what would you like to know more about regarding how wildfires affect different regions of the world?

Open Ended

How are the carbon sinks in other ecosystems similar to the ones found in the Arctic?