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vocabulary 12 Erin
chapter 12 vocabulary words for scirnce
| Question | Answer |
|---|---|
| Weather | The conditions of Earth's atmosphere at a particular time and place. |
| Atmosphere | The envelope of gases that surround the planet. |
| Ozone | A form of oxygen that has three oxygen atoms in each molecule. |
| Water Vapor | Water in the form of a gas. |
| Photochemical Smog | The brown haze that develops in sunny cities. |
| Acid Rain | Rain is naturally acidic, but rain that contains more acid than normal is called. |
| Pressure | The force pushing on a area or surface. |
| Air Pressure | The result of the weight of a column of air pushing down on an area. |
| Barometer | An instrument that is used to measure air pressure. |
| Mercury Barometer | Consist of a glass tube open at the bottom end and partially filled with mercury. |
| Aneroid Barometer | Has an airtight mateal chamber. |
| Altitude | Or elevation, is the distance above sea level, th eaverage level of the surface of the oceans. |
| Jet Stream | About 10 kilomaters above Earth's surface are bands of high-speed winds. |
| Troposphere | You live in the inner, or lowest, layer of the Earth's atmosphere the ... |
| Stratosphere | Extends from the topof the troposphere to avout 50 kilometers above Earth's surface. |
| Mesosphere | Above the stratosphere, a drop in tempeture marks the beginning of the next layer. |
| Thermosphere | extends from 80 kilometers above Earth's surface outward into space. |
| Ionosphere | A lower layer. Begins about 80 kilometers above the Earth's surface and extends to about 400 kilometers. |
| Exosphere | The outer portion of the thermosphere. |
| Electromagnetic Wave | A form of energy that can move through the vacum of space. |
| Radiation | The direct transfer of energy by electromagnetic waves. |
| Infrared Radiation | A form of electromagnetic energy. Has wavelength that are longer than red light. |
| Ultraviolet Radiation | The sun gives off this radiation. Which is an invisible form of energy with wavelengths that are shorter that violet light. |
| Scattering | Dust particles and gases in the atmosphere reflect light in all directions. |
| Thermal Energy | The TOTAL energy of motion in the particles of a substance. |
| Conduction | The direct transfer of heat from one substance to another substancethat it is touching. |
| Convection | The transfer of heat by the movement of fluid. |
| Wind | The horizontal movement of air from an area of high pressure to an area of low pressure |
| Anemometer | An instrument used to measure wind speed |
| Wind-Chill Factor | The increased cooling a wind can cause ... |
| local wind | Winds that blow over short distances. |
| sea breeze | A lake breeze is a local wind that blows from an ocean or a lake. |
| land breeze | The flow of air from land to a body of water. |
| global wind | Winds that blow steadily from specific directions. |
| latitude | The distance from the equater, measured in degrees. |
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