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science final set
idk
| Term | Definition |
|---|---|
| natural resource | anything that occurs naturally in the enviorment that humans use. EX: wood,water,sunlight,wind,gold. |
| 3 forms of fossil fuels | Solid: coal Liquid: Oil Gas: natural gas |
| Fossil fuels advantage | burning fossil fuels can convert their chemical energy into other forms such as electrical energy |
| fossil fuels disadvantage | puts pollutants into the air, destruction of habitats, damages the ozone layer, causes health problems. |
| hydroelectric energy advantage | turbines can convert the energy of moving water into electricity. |
| hydroelectric energy disadvantage | very expensive, disrupts natural processes |
| geothermal energy | energy from the heat of Earth's core |
| solar energy | energy from the sun |
| hydro | energy from moving water |
| wind | turbines create energy from the wind moving |
| biomass | energy produced by burning plant based materials such as corn. |
| mineral | a naturally occuring solid that can form by inorganic processes and that have a crystal structure, and a definite chemical composition |
| how many ways can minerals form | 3 ways |
| organic material | the skeleton from coral is made of calcium and carbonate. It gets broken down |
| solutions | the elements in the same solutions crystallize into minerals |
| magma and lava | cooling of magma or lava and then it hardens into rocks made of crystallized minerals |
| How can we use the ocean to meet the needs that humans may look to technology and the ocean to meet their fresh water needs? | because of desalination. it is the process of removing salt and minerals to make fresh water. |
| how is 3% of the freshwater distributed on Earth? | 79% of it is Ice Caps + Glaciers, and the other part is groundwater, lakes, and other freshwater sources. |
| Why does population increase so much over time? | because when birth rates are higher than death rates, the population increases. |
| point sources | specific, identifiable; sewer draining untreated water into a river |
| nonpoint sources | widespread, cannot be tied to a specific origin; air pollution in big cities from vehicles. |
| temperate zone | area is not too cold, nor too hot. it has 4 seasons |
| 3 solutions to reduce water pollution | recycle, go organic, clean oil spills. |
| weather | short-term changes in the atmosphere |
| climate | describes what the weather is like over a long period of time in a specific area |
| greenhouse gases | they absorb the energy and radiate it back to the atmosphere. they are water vapor, carbon dioxide, methane. |
| comet | a celestial object consisting of a nucleus of ice and dust and, when near the sun, a “tail” of gas and dust particles pointing away from the sun. |
| satellite | an artificial body placed in orbit around the earth or moon or another planet in order to collect information or for communication. |
| meteor | a small body of matter from outer space that enters the earth's atmosphere, becoming incandescent as a result of friction and appearing as a streak of light. |
| asteroid | a small rocky body orbiting the sun. |
| heliocentric | the sun is in the center |
| geocentric | earth is in the center |
| spring tide | a tide just after a new or full moon, when there is the greatest difference between high and low water. |
| neap tide | a tide just after the first or third quarters of the moon when there is least difference between high and low water. |
Created by:
AshIey
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