WorksheetsCarbon Cycle
Total questions: 15
Worksheet time: 4hrs 45mins
Identify the cycle illustrated in the diagram.
Nitrogen Cycle
Water Cycle
Phosphorus Cycle
Carbon Cycle
Large areas of land are being developed. In the process, thousands of trees are being removed and burned. Which of the following statements will explain how it will affect the carbon cycle?
I. The build up of carbon dioxide in the atmosphere is driving global warming.
II. Mainly as carbon dioxide
III. When forests are cleared or burnt, stored carbon is released into the atmosphere.
I, II, III
oxygen is a gas produced by _1_ and used by _2_
1- plants
2-animals and plants
1- photosynthesis
2- carbon dioxide
1- animals and plants
2- plants
1- carbon dioxide
2- photosynthesis
Which of the following adds carbon to the atmosphere?
Decomposers
Plants use ____________ to make their own food
Water
Sunlight
Carbon dioxide
All of these
Which statement is an example of how carbon moves through a food chain as part of the cycle?
Producers release carbon dioxide, and consumers take it it.
Producers take in carbon dioxide, and consumers release it.
Producers take in carbon from the soil, and they release it when they decompose.
Producers release carbon into the soil, and consumers take it in from the soil.
Hydrosphere
Geosphere
Biosphere
When organisms die, what process returns their carbon back into the atmosphere?
Respiration
Decomposition
Combustion
Erosion
How does carbon get from animals and back into the atmosphere? (CHOOSE ALL THAT APPLY)
Respiration (breathing)
After they die, they are broken down by decomposers
Photosynthesis
None of these
Carbon is used in the process called __________ by plants and algae to make food and the building blocks for growth.
carbon cycle
life
photosynthesis
decomposition
Burning fossil fuels has raised the concentration of ___________ in the atmosphere.
oxygen
rain
carbon
nitrogen
Sun
Trees
Animal Respiration
Plant Respiration
Burning Fossil Fuel/Emissions
Dead Organisms
Fossils and Fossil Fuels
