High School Science - HS-LS2-5 - Carbon Cycling and Energy Flow in Earth's Systems
6 Questions
A severe viral disease rapidly kills off a large percentage of phytoplankton in the ocean (hydrosphere) and terrestrial plants (biosphere).
Students track the environmental parameters of a local pond across a 24-hour cycle to model how matter and energy flow through the ecosystem.
Scientists observe that global atmospheric carbon dioxide (CO₂) levels consistently drop during the Northern Hemisphere's summer months and rise during the winter months.
A sealed, airtight biodome contains soil, a small pond, plants, and animals. The total mass of carbon within the entire biodome system is exactly 1,000 kg.
A student traces a carbon atom as it moves through an ecosystem. Classify each statement as photosynthesis or cellular respiration.
A student is monitoring CO₂ levels in a sealed, transparent terrarium containing green plants and soil. Each trial lasts for exactly three hours.