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Table of Contents
Carbon Cycle Gizmo Answer Key
The following section is divided into various topics and individual answers are provided for the same. You can reference any particular section for its answers. As suggested for CodeHS Answers, Before you proceed to read our carbon cycle answer key, please try to think of a solution yourself.
Student Carbon Cycle Investigation
Plants take in carbon dioxide (CO2) from the atmosphere and water (H2O) from the soil during the process of photosynthesis. Plants generate molecules of glucose using the energy from the sun.
Q1. How do plants on Earth influence the atmosphere’s carbon content?
Ans1. The answer is that plants absorb carbon dioxide (co2) and convert it to oxygen (o2).
Q2. How do animals affect the amount of carbon in the Earth’s atmosphere? Animals eat plants and release carbon dioxide into the atmosphere.
Ans2. The answer is that they devour plants that can process carbon dioxide, and as a result, there are fewer plants that can do so.
Gizmo Device Warm-Up
Q1. Where can the carbon atom go after leaving the Earth’s atmosphere?
Ans1. Terrestrial plants, exposed rock, and oceanic CO2.
Q2. How did an atmospheric carbon atom end up in a plant?
Ans2. Photosynthesis occurs on plants with the help of solar energy. The majority of the oxygen is expelled.
Q3. How did the carbon atom enter the animal from terrestrial plants?
Ans3. Plants provide food and energy for land animals
Q4. Choose atmospheric CO2 in question 4. How did the carbon atom return to the atmosphere from land animals?
Ans4. Through cellular respiration, they release carbon dioxide back into the atmosphere.
Activity A Carbon Cycle Gizmo Answer Key
Introduction: There are four distinct systems on Earth. The air above Earth’s surface is known as the atmosphere. All of the water on Earth is contained in the hydrosphere. The stony, inert region of Earth is known as the geosphere. We are one of the living entities that make up the biosphere. Few scientists refer to anything created or altered by humans as the “anthroposphere.”
- Identify at least two methods by which carbon can be transferred from a land plant to the
- Land animals and woodland fires are two ways it might get there. Carbon dioxide is released into the air when plants burn in a forest fire. When land animals breathe, carbon dioxide is released into the atmosphere and then filtered back into the atmosphere.
- List at least two possible routes through which carbon can get from the atmospheric to the hydrosphere.
- It can go straight to the hydrosphere or go through the exposed rock to the hydrosphere. Carbon goes into oceanic Co2 by being dissolved by the cold waters. The exposed rock used carbon by dissolving it into the water. It goes into oceanic Co2 by the rainwater breaking it down.
- List two possible routes for carbon to go from the ocean to the lithosphere. The rigid layer of the Earth, which includes the crust and a portion of it, is known as the lithosphere.
- It can travel from the lithosphere and limestone as well as from the shells. Additionally, it can move from marine animals to sediments to the lithosphere towards the end. The lithosphere is produced by the sediments and limestone being broken down and compacted throughout time.
- Explain at least two ways that carbon can get from seashells to the
- It can pass through the shells and then the lithosphere, limestone, volcano, and atmosphere. Additionally, it can travel from the sky to the limestone to the cement mill to the atmosphere
Activity B Carbon Cycle Gizmo Answer Key
Introduction: Over millions of years, the remains of extinct plants and animals gave rise to fossil fuels including coal, oil, and natural gas. Carbon dioxide (CO2) levels in the atmosphere rise as a result of burning fossil fuels and other human activities.
Q1. Determine the differences between coal and petroleum (oil) with the Gizmo. Describe the procedures needed to convert ambient CO2 into each fuel.
Ans1. Coal: During photosynthesis, it moves from the atmosphere to plants. Coal is created when the plant is compacted after it has died.
Petroleum: During photosynthesis, it moves from the atmosphere to plants. The plant enters the sediment and the soil. It then mixes with petroleum.
Q2. Discover: Methane (CH4), ethane (C2H6), and other gases make up natural gas. How does the formation of coal and petroleum compare to that of natural gas?
Ans2. Because they are both produced from the same source and are one of our primary sources of fuel, coal and petroleum formation and natural gas formation are related. When used as fuel, they both emit carbon dioxide.
Q3. Fossil fuels are utilised in several Describe the primary application for each fuel using the Gizmo.
Ans3. Electricity production is the primary application of coal.
Petroleum: The primary use of petroleum is as a transportation fuel. Gas: The primary use of gas is as an energy source.
Q4. What results from burning fossil fuels in each of the aforementioned scenarios, and where does it go?
Ans4. Burning fossil fuels always releases carbon dioxide (CO2). The atmosphere receives the CO2. Always, it finds its way into the atmosphere.
Q5. Discover: The cement industry is a significant additional source of carbon dioxide in the atmosphere. Find and list the path taken by a carbon atom from the environment to the cement plant using the Gizmo. (Hint: Cement contains among other things)
Ans5. Shells/Coral, Limestone, Cement Plant, Atmosphere-Ocean CO2.
Q6. How is carbon dioxide created in a cement mill?
Ans6. While making cement, the cement mill releases carbon dioxide.
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