click below
click below
Normal Size Small Size show me how
Biogeochemical Cycle
Review and study the Water, Carbon and Nitrogen Cycles!
Question | Answer |
---|---|
What is the term used to describe water found under the surface of the earth? | Groundwater |
What is the term used to describe the movement of water out of a plant? | Transpiration |
What are the terms used to describe the movement of water down through the soil. | Infiltration and Percolation |
What is the term for water stored underground in porous rock? | Aquifer |
What is the process by which plants take carbon out of the atmosphere? | Photosynthesis |
What is the process called in which organismes release carbon dioxide into the atmosphere as it metabolizes sugar for energy? | Respiration |
What is the general term for the type of fuel that humans burn to produce energy or do work? | Fossil Fuels |
What gas makes up 78% of the atmosphere? | Nitrogen |
What is the process called in which animals create water vapor, also known as sweating? | Perspiration |
What is the process called in which high energy water vapor (gas) gives up its energy and cools to become liquid water? | Condensation |
What is the process in which water in the liquid phase gains energy to become water in the gas phase (water vapor)? | Evaporation |
What is the process of water returning to the surface of the earth in the form of rain, snow or hail? | Precipitation |
What is the term used that describes all of the land area that “sheds” water to the outlet during a rainstorm? | Watershed |
What is the process of water flowing over the surface of an impermeable surface, such as rock or pavement and into surface water? | Run-off |
What is the primary energy source for the water cycle? | Sun |
What type of process occurs when water evaporates? | Endothermic |
What type of process occurs when water condenses? | Exothermic |
What kind of gas makes up about 20% of our atmosphere? | Oxygen |
What is the molecule called that plants can use to get their nitrogen? | Nitrate |
What is the process by which bacteria change nitrates into nitrogen that is then released to the atmosphere? | Denitrification |
What is the process of nitrates dissolving into the soil then being washed away with rain? | Leaching |
What is the process by which dead plants and animals are decomposed by bacteria, where organic nitrogen is converted into inorganic forms such as ammonium salts (NH4+ )? | Mineralization |
What is the movement of particles from an area of high concentration to an area of low concentration? | Diffusion |
What is the term for the removal of trees, usually by burning? | Deforestation |
What is the term for the chemical process by which plants combine water and carbon dioxide to form glucose and oxygen? | Photosynthesis |
What is the term used when organisms such as bacteria, worms and fungi break down organic material? | Decomposition |
What is the term used to describe the removal of material? | Extraction |
What is the term used to describe burning? | Combustion |