SCIENCE 101_ CARBON CYCLE GIZMO (Complete and Full Answers to Questions from Activities A, B, and C) Graded A
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Course
BIO 121 (BIO121)
Institution
Mitchell Community College
Format responses in blue bold font. Student Exploration: Carbon Cycle Vocabulary (refer to vocab file located on the Gizmo site for definitions): atmosphere, biomass, biosphere, carbon reservoir , carbon sink, fossil fuel, geosphere, greenhouse gas, hydrosphere, lithosphere, photosynthesis Prior Kn...
science 101 carbon cycle gizmo complete and full answers to questions from activities a
b
and c graded a
science 101 carbon cycle gizmo
science 101 carbon cycle gizmo complete a
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Mitchell Community College
BIO 121 (BIO121)
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Format responses in blue bold font.
Student Exploration: Carbon Cycle
Vocabulary (refer to vocab file located on the Gizmo site for definitions): atmosphere,
biomass, biosphere, carbon reservoir, carbon sink, fossil fuel, geosphere, greenhouse
gas, hydrosphere, lithosphere, photosynthesis
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
take in carbon and then give out oxygen
2. Animals eat plants and produce carbon dioxide and water. How do animals affect
the amount of carbon in Earth’s atmosphere? Animals take in oxygen and give
out carbon
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? The ocean, exposed rocks, land
plants, and land animals
2. Click on Land plants and read the description. How did the carbon atom get from
the atmosphere to a plant? The plants take it in to make energy for themselves
through photosynthesis
3. Select Land animals. How did the carbon atom get from land plants into the
animal? They ate the plants to make energy for themselves through cellular
respiration
4. Select Atmospheric CO2. How did the carbon atom get from land animals back to
the atmosphere? They released it back through cellular respiration, basically
breathing
, Activity A:
Get the Gizmo ready:
Carbon • Click Reset.
pathways
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 into
rainwater in the atmosphere, this
Exposed rocks Geosphere
makes acid and causes rocks to
dissolve
Bicarbonate ions are released and
Oceanic CO2 Hydrosphere carried into the ocean through
streams and rivers
They use it to make their shells and
Shells/Coral Biosphere
skeletons
When they die, they pile up and
Limestone Geosphere
compress onto the ocean floor
Lithosphere Geosphere Limestone is part of the lithosphere
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