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Science vocabulary
Mr Luna's class
| Question | Answer |
|---|---|
| Hypothesis | An educated guess |
| Theory | A hypothesis that can be proven many times |
| Stratosphere | The second part of the atmosphere contains ozone |
| Troposphere | First part of atmosphere all weather happens here we live here |
| Thermosphere | Last part of atmosphere weather changes quickly we can't survive there without space suit |
| Mesosphere | Third part of atmosphere meteors burn up there |
| Temperature | How fast atoms move and how hot or cold something is |
| Lightning | super charged electricity caused by negative or positive atoms rubbing each other |
| Thunder | The sound lightning makes |
| front | where 2 or more air masses meet |
| Air mass | hot or cold air |
| Air pressure | The force of air in an object |
| Precipitation | rain, sleet, snow, or hail |
| Evaporation | liquid turns to gas |
| Condensation | gas turns to liquid |
| Run off | where water sleet or snow return to the ocean |
| Cold front | created by cold air pushing warm air upwards brings most rain |
| Hurricane | A major storm caused by heated water occur every year and get stronger |
| Tornado | a natural disaster caused by hot air colliding with cold air happen in flat areas |
| wind | air moving fast |
| occluded fornt | 2 cold air push warm air up warm air causes little rain but last longest |
| stationary front | cold air and warm air collide warm air does not go up |
| warm front | cold air goes warm air comes brings less rain |
| radiation | movement of energy by waves can travel in space |
| conduction | transfer of energy by contact |
| convection | movement of energy in a circular way |
| Climate | weather on average affected by many things |
| Global warming | The heating of earth caused by human activity |
| Greenhouse effect | When heat or radiation get trapped on earth. |
| El Niño | Warm weather in the pacific brings a lot of Rain |
| La Niña | Cold weather in pacific brings no rain |
| Tides | changes in ocean level affected by moon |
| current | streams of hot or cold water |
| Ice age | A period in which earth is surrounded with ice |
| Topogarphy | Shape of land |
| Climate | averge weather that last a long time |
| weather | weather that is fast that can happen each day |
| natural resources | resources that come from nature |
| renewable resource | resources that are unlimited |
| nonrenewable resources | resources that are limited |
| Solar energy | energy from the sun |
| Geothermal energy | energy from the earths interior |
| Fossil fuels | energy such as coal petroleum and natural gas cause pollution |
| Petroleum | a fossil fuel created by dea sea animals |
| Hydroelectric energy | energy generated by water |
| Wind energy | energy genrated from wind |
| biomass | energy from plants and animals |
| Chemical energy | energy generated by atoms or metal |
| fuel cells | a type of chemical energy that makes water |
| element | |
| Thermal Expansion | when atoms expand. |
| Endothermic | energy is taken |
| exothermic | energy is given |
| heat | the transfer of energy |
| Solid | a state of matter that moves rigidly |
| Liquid | a matter with definite volume but not shape |
| Gas | a matter that moves freely |
| Plasma | electrified gas |
| Melting | solid to liquid |
| Sublimation | solid to gas very rare |
| freezing | liquid to solid |
| Valence Electrons | electron in the outermost shell of the nuclei |
| Chemical bond | When chemicals bond |
| Chemical reaction | when two or more substaces mix to create a new one |
| Smog | a dangerous secondary pollutant (sun and vechile exhaust) |
| Primary pollutants | Pollution directed at Earth |
| Secondary Pollutants | When pollutants make a chemical reaction. |
| Ozone hole | a hole in the north and south pole |
| Ozone | a gas located in the stratosphere that block uv waves. |
| Acid Rain | when air pollution goes into water |
| Acidation | when acid affects soil |
| Acid shock | When acid increases. |
| Neutralization | base adds to acid |
| Ph scale | scale that measure if basic or acidic |
| Acid | it is harmful |
| Base | not harmful |
| Cells | The smallest living parts of organisms |
| DNA | information in the nucleus. |
Created by:
Bochoalima45469
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