Science test May 7, 2012

21 terms by lrbriggs 

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Combustion

the burning of materials

nitrogen cycle

the repeated movement of carbon through the environment in different forms

carbon cycle

the repeated movement of carbon through the environment in different forms

condensation

the changing of a gas to liquid

precipitation

water that falls from clouds as rain, snow, sleet or hail

evaporation

the changing of a liquid to a gas(water vapor)

front

a boundary between two large bodies of air with different terperatures, amounts of water vapor and pressure

Dopplar radar

a computer that detects precipitation and how wind affects its movement

meteorologist

a person who reports and forecasts weather conditions

climate

the average weather conditions over a long time

elevation

the height above sea level

latitude

a measure of how far a place is from the equator

barometer

an instrument that measures atmospheric (air) pressure used in forecasting weather

water vapor

water in the form of gas in the air

sublimation

the process of ice turning directly into water vapor without turning into water first

Plant

take in carbon dioxide and releases oxygen(in the oxygen cycle)

Animals

take in oxygen and release carbon dioxide(in the carbon cycle)

In what three states can water exist

Water can exist in the state of water(liquid), ice(solid) and water vapor(gas)

Four steps of the water cycle include the following

evaporation, condensation, precipitation and runoff

Four factors that affect the steps of the water cycle are

temperature, air pressure, wind and elevation of the land

What are some different paths that the water cycle can follow

Condensation can form clouds but it can also form dew

Sublimation causes the forming of frost on surfaces instead of the ice melting first and becoming liquid water

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