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Science vocabulary

Mr Luna's class

QuestionAnswer
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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