Phosphorus Cycle Worksheet
Explore the phosphorus cycle, a vital biogeochemical cycle for life on Earth, through various question types for Grade 6 science.
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Phosphorus Cycle Worksheet
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Read each question carefully and answer to the best of your ability. This worksheet will test your knowledge of the phosphorus cycle.
1. In what form is phosphorus primarily found in rocks?
Phosphate
Phosphoric acid
Elemental phosphorus
Phosphine gas
2. What is the process that releases phosphorus from rocks into the soil and water?
Photosynthesis
Weathering
Respiration
Evaporation
3. Phosphorus is an essential nutrient for all living organisms, playing a key role in DNA and .
4. Plants absorb phosphorus from the soil in the form of .
5. When organisms die, decomposers break down their remains, returning phosphorus to the .
6. The phosphorus cycle does not include an atmospheric phase.
True
False
7. Human activities like mining and fertilizer use can significantly impact the phosphorus cycle.
True
False
8. Briefly explain the role of decomposers in the phosphorus cycle.
9. Describe one way phosphorus can move from land to aquatic ecosystems.