Geography 3
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Terms
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- ecosystem
- A grouping of plants and animals water air that all depend on each other for survival
- erosion
- what happens when topsoil is washed or blown away leaving plants and crops to struggle without proper soil and nutrients.
- Carbon dioxide
- CO2 a molecule that is released when we burn many fossil fuels. It is part of the greenhouse gas problem but also a certain amount is needed in the atmosphere because plants need it to make oxygen
- consumption
- to eat or take in or to use. People consume food, and gas and consume energy to watch TV
- ecological footprint
- A way of measuring how much of an impact a person or community has on the earth. Someone who uses more natural resources will have a bigger footprint than someone who uses less.
- global warming
- aka greenhouse effect. When carbon dioxide and methane are trapped in the atmosphere, the temperature on the earth rises and the ice at the north and south poles melt, this raises the water level in the oceans and different places on the earth slowly get hotter or colder
- wean
- to detach from that which one is strongly attached. You wean a dog from its mother
- Carnivore
- An animal that eats meat only
- fossil fuels
- they come from organisms like dinosaur that lived long ago and have been buried under the ground for many years. People use FFs like coal, gas, and oil to create the energy that we use. FFs are available in a limited supply. The produce pollution when we burn them.
- biodegradable
- Anything which can be broken down by living organism
- fuel cell
- a device that turns hydrogen into fuel. It is very efficient and clean but is currently to expensive to mass market
- geothermal energy
- energy we get directly from the earth, usually in the form of heat. Volcanoes are a good source of geothermal energy
- environment
- Can mean the area around you or more specifically just nature
- energy
- a way to describe the use of power electricity is a form of energy usually created by fossil fuel. It usually can mean the capacity to do work.
- compost
- A collection of biodegradable waste that is no longer used by people or which died on its own such as banana peels and coffee grinds. When mixed together they can be a rich fertilizer
- Energy Star
- An award given to appliances which meet a certain energy efficient standard. An appliance with this label uses less energy while doing the same amount of work
- biofuel
- A term given to harvesting energy from biodegradable plant material.
- atmosphere
- A layer of molecules and other particles between outer space and the earth
- greenhouse gas
- the term given to any gas that traps heat in the atmosphere. It does this by letting the sun's energy through, but not back out- like a glass window. Common greenhouse gasses are CO2 and methane