Name: Date: Format responses in blue bold font. Student Exploration: Carbon Cycle Vocabulary (refer to vocab file located on the Gizmo site for definitions): Atmosphere: the gases that surround a planet Biomass: the total mass of a group of living things. Biosphere: living things on a planet. Carbo...
Prior Knowledge Questions (Do these BEFORE using the Gizmo.)
In the process of photosynthesis, plants take in carbon dioxide (CO2) from the atmosphere and
water (H2O) from the soil. Using the energy of sunlight, plants build molecules of glucose
(C6H12O6) and oxygen (O2).
1. How do plants on Earth affect the amount of carbon in Earth’s atmosphere? Plants
decrease the amount of C02 and convert it to Oxygen.
2. Animals eat plants and produce carbon dioxide and water. How do animals affect the
amount of carbon in Earth’s atmosphere? Animals increase the amount of C02 in the
atmosphere.
Gizmo Warm-up
The Carbon Cycle Gizmo allows you to follow the many
paths an atom of carbon can take through Earth’s systems.
To begin, notice the black carbon atom in the Atmospheric
CO2 area, highlighted in yellow. The glowing blue areas
represent possible locations the carbon atom could go next.
1. From Earth’s atmosphere, where can the carbon atom go
next? It can go to exposed rock, land plants, or oceanic
CO2.
2. Click on Land plants and read the description. How did the carbon atom get from the
atmosphere to a plant? During photosynthesis, plants use the energy of the sun to
form glucose and oxygen from carbon dioxide and water.
3. Select Land animals. How did the carbon atom get from land plants into the animal?
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2018
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, The animals ate the plant.
4. Select Atmospheric CO2. How did the carbon atom get from land animals back to the
atmosphere? Carbon dioxide is a byproduct of cellular
respiration.
Activity A: Get the Gizmo ready:
Carbon pathways Click Reset.
Introduction: Earth can be divided into four systems. The atmosphere is the air above Earth’s
surface. The hydrosphere is composed of all of Earth’s water. The geosphere is the rocky,
non-living part of Earth. The biosphere consists of all living things, including people. Some
scientists use the term “anthroposphere” to describe everything made or modified by humans.
Question: How does carbon move between the atmosphere, hydrosphere, biosphere, and
geosphere?
1. Explore: Use the Gizmo to create a path for carbon that begins and ends in the atmosphere.
Fill in the steps in the path below. Then, label each location with the system it represents.
Finally, summarize very briefly how the carbon atom got to that location.
Carbon path System How it got there
Atmospheric CO2 Atmosphere Atmospheric CO2 comes from volcanoes,
burning fossil fuels, and other sources.
Carbon dioxide dissolves in cold ocean
Oceanic CO2 Ocean
surface waters.
In the process of photosynthesis marine
algae and plans remove carbon dioxide
Marine Plants/ Algae Ocean from ocean water making glucose and
oxygen.
Marine animals consume marine plants and
Marine animals Ocean
algae for energy.
Uneaten marine animals fall down to the
Sediments Land ocean floor and become a part of marine
sediments.
Lithosphere Carbon containing
This study source was downloaded by 100000804166229 from CourseHero.com on 05-03-2022 09:03:34 GMT -05:00
2018
https://www.coursehero.com/file/75419458/CarbonCycle-Gizmo-2021docx/
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