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Science Final!!!!!!!
Energy and Ocean
| Question | Answer |
|---|---|
| Salinity | Dissolved salt in a body of water |
| Density | How thick something is |
| Thermocline | Large spot in a body of water that the temp drops or increases highly |
| Coriolis Effect | Strong perpendicular winds |
| Gyre | Giant whirlpool |
| Gulfstream | Ocean current, Norther Atlantic Ocean |
| Antarctic Circumpolar Current | Most important ocean current in the Southern |
| Sargassum | Brown seaweed, clumps easily |
| How does most oxygen enter the ocean? | Diffusion from the atmosphere, mixed by winds |
| What is the relationship between ocean temperature and the amount of dissolved gases it can hold? | The temp will effect the amount of dissolving process |
| What two major factors affect the salinity of ocean water? | Freezing and precipitation |
| What is the relationship between ocean temperature and density? | How deep the water is, will be how warm or cold the water is |
| Non-renewable energy (Define and give examples) | A non-renewable sources is a source's that can not be used for more than one thing at a time and after its used it cannot be used again, like oil. |
| Renewable Energy (define and give an example) | A renewable sources is a source's that can can be used over and over again, like tidal energy. |
| Which Isotope is used in nuclear fission reactions? | Uranium |
| Which type of renewable energy is used to heat 85% of homes in Iceland? | Geothermal energy |
| Which type of renewable energy is needed for photovoltaic cells? | Solar Energy |
| Which type of renewable is used by many developing countries? | Wind energy |
| What are large groupings of wind turbines are called? | Wind farm |
| What are some advantages and disadvantages of each energy | Dis: Cost to install and space consuming Adv; Saves money and Long life span |
| Which type of energy contribute to rising levels of carbon dioxide in the atmosphere, and which ones do not/ | Bad; nuclear, fossil fuel, coal oil an d natural gases Good; Solar, wind and hydroelectricity. |
| Compare how coal and petroleum and natural gases | They form within the Earth over time and age. |