Science
Terms
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- Thermometer
- An instrument that measures temp. The liquid expands or contracts within a tube.
- Human Body Temp
- 98.6 F, 37 C
- Freezing Point of Water
- 32 F, 0 C
- Wind-chill factor
- The increased cooling effect of winds. As wind speed increases, the cooling increases
- Why is the setting sun red and organge
- More light form the lue end of the spectrum is removed by scattering before it reaches your eyes. The remaining light from the sun contains mostly blue and red.
- 2 most common units to measure tem.
- Mercury and Aneroid
- Precipitation
- Any form of water that falls from clouds and reaches the Earth's surface
- Heat
- Energy tranferred from a hotter object to a cooler object
- Boiling point of water
- 100 F, 212 C
- Two types of local winds
- Sea Breeze: A wind that blows from an ocean or lake onto land
- Thermal Energy
- The total energy of motion in the molecules of a substance
- Land Breeze
- The flow of air from land to a body of water: At night air over land becomes cooler than air over the water
- Global Winds
- Winds that steadily blow from a specific direction over long distances. Global winds are caused by the movement of air between the equator and the poles
- Psychometer
- Insturment with 2 thermometers used to measure relative humidity
- Rain Gauge
- An instrument that is an open ended can or tube that collects rainfall
- Jet Stream
- Bands of highspeed winds 10 kilometers above the Earth's surfacee
- Conduction
- The direct transfer of heat from one substance to another substance that it is touching
- Monsoons
- Land and sea breezes over a large region that change directions with the seasons
- Dew Point
- The temp. at which condensation begins
- Drought
- Long period of low precipitation
- Local Winds
- Winds that blow over short distances caused by unequal heating of Earth's surface within a small area
- Greenhouse Effect
- Gases form a blanket that holds heat in the atmosphere
- Radiation
- The direct transfer of energy by electromagnetic waves
- Evaporation
- Liquid Water molecules escape into the air as water vapor
- Coriolis Effect
- Global winds do not follow a straight path. The way the Earth rotates makes the wind curve
- Scattering
- Gas Molecules reflect light in all directions
- Temperature
- The average amount of energy of motion of each molecule of a substance
- Humidity
- The measure of the amount of water vapor in air
- Room Temp
- 72 F, 22 C
- Wind
- The horizontal movement of air from an area of high pressure to low pressure
- Condensation
- The process by which molecules of water vapor in air become liquid water
- Why is the sky Blue?
- Scattered light is bluer than ordinary sunlight which is why in the day time, the sun looks blue
- Anemometer
- An instrument used to measure wind speed
- Convection
- The transfer of heat by the movement of a fluid
- Electromagnetic Waves
- A form of energy that can travel through space
- 3 ways heat is tranferred
- Radiation: Direct transfer of energy by electormagnetic waves, Conduction: The direct transfer of heat from one substance to another one it is touching. Convection: transfrer of heat by the movement of a fluid
- Relative Humidity
- The percentage of wate vapor in the air compared to the maximum amount of water vapor the air can hold at the current temp.