A | B |
Astronomy | The study of the universe |
Geology | The study of the Earth |
Meteorology | The study of the atmosphere & weather |
Oceanography | The study of the oceans |
Inner Core | Earth layer composed of solid iron & nickel |
Hypothesis | A possible explanation for an observed set of facts |
Outer Core | Earth layer composed of liquid iron & nickel |
Mantle | The thickest Earth layer; layer found below the crust; composed of silicon, oxygen, magnesium, & iron |
Crust | The thinnest Earth layer; only layer man has dug or drilled into |
Photosynthesis | Process by which plants produce food & Oxygen from Carbondioxide, Water & sunlight; respiriation is the opposite of this equation |
Revolve | To orbit something |
Rotate | To spin on an axis |
3 Things Eratosthenes needed to calculate the circumference of the Earth | Exact time of noon on June 21st, Distance between the 2 cities. The angle of the shadow from the obelisk in one city. |
Degrees of a circle | 360 degrees |
3 ancient pieces of evidence that Earth is a sphere | The mast of ships is the first thing to be seen when a ship comes over the horizon, Change in constellations, The shadow of the Earth on the moon during a lunar eclipse is the arc of a circle |
Reactants of Photosynthesis | Carbondioxide, water & sunlight |
Products of Photosynthesis | Food (sugars & starches) & Oxygen |
Person who made the 1st known scientific measurement of the circumference of the Earth | Eratosthenes |
Oblate Spheroid (def) | A sphere that is flighted at the poles and bulges at the equator |
Position of the North Star as a sailor goes north | Higher in the sky |
Circumference (def) | The distance around the perimeter of a circle |
Geo- | prefix meaning Earth |
Oblate Spheroid (def) | The shape of the Earth; flattened at the poles bulging at the equator |
Cause of Earth's Shape | Earth's Rotation |
Mass (def) | The amount of matter in an object |
Volume | The amount of space taken up by an object |
Density | The amount of matter in a given space |
Formula for Density | D=m/v |
Average Human Body Temperature in Celcius | 37 degrees Celcius |
Average Human Body Temperature in Fahrenheit | 98.6 degrees F |
Boiling Point of water in Fahrenheit | 212 degrees F |
Freezing point of water in Fahrenheit | 32 degrees F |
Freezing point of water in Celcius | 0 degrees C |
Boiling point of water in Celcius | 100 degrees C |
1ml = ___ cubic centimeters | 1ml= 1cubic centimeter |
Metric Prefix meaning one hundred | Hecto |
Metric Prefix meaning one thousand | Kilo |
Person credited with the first use of the displacement method of dtermining the volume of an irregularly-shaped obj. | Archimedes |
If a box has a mass of 2g & a volume of 1250ml, what is the density? | .0016 g/ml |
.01 dkg = ____g | .1 g |
300 cl = ____ml | 3000 ml |
878.4 l = ____ kl | .8784 kl |
12.3 hl = ____cl | 123,000 cl |
An irregularly shaped obj. is placed in a graduated cylinder. Without the obj. the cylinder reads 15 ml, with the obj. it reads 25 ml. What is the volume of the obj? | 10 ml |
If the volume of an obj. is 4 ml & the density is 3g/ml, what is the mass? | 12 g |
Exponent for 100 |  |
deci (def) | 1/10 |
centi- (def | 1/100 |
Exponent for deci |  |
Exponent for cent |  |
1st Greek to successfully estimated the Earth's Circumference | Eratosthenes |
Open system (def) | The system & its surroundings freely exchange both energy & matter |
Average Slope (def) | The change in elevation over a given distance. |
Latitude (def) | Angular distance in degrees north or south of the equator |
Latitude of the North Pole | 90 degrees N |
Latitude of the South Pole | 90 degrees S |
Synonym for Latitude | Parallels |
Latitude of the Equator | 0 degrees lat. |
Longitude (def) | Angular distance in degrees east or west of the prime meridian |
Synonym for Longitude | Meridians |
How many minutes are in a degree? | 60 minutes |
How many seconds are in a minute? | 60 seconds |
Latitude of the Tropic of Cancer | 23.5 degrees N |
Latitude of the Tropic of Capricorn | 23.5 degrees S |
Latitude of the Arctic Circle | 66.5 degrees N |
Latitude of the Antarctic Circle | 66.5 degrees S |
Longitude of the Prime Meridian | 0 degrees long. |
Longitude of the International Date Line | 180 degrees long. |
Place where the Prime Meridian is located. | Greenwich, England |
Contour Lines (def) | Lines that connect points of equal elevation |
Elevation (def) | Distance above sea level |
Topographic Map (def) | Map showing the shape & elevation of the Earth's surface. |
Contour Interval (def) | The difference in height between two adjacent contour lines |
Index Contours (def) | Every 5th line is darkened & labeled with the elevation |
Best most to scale representation of Earth | Globe |
Hachures (def) | Lines drawn on a contour line to show a depression |
Map Scale (def) | The relationship between the distance on the map & the actual distance on the Earth's surface. |
Synonym for Map Scale | Map Legend |
Magnetic Declination (def) | The difference in the angle between true north & magnetic north |
Formula for average slope | change in elevation divided by the change in distance |
How are contour lines drawn to show a steep slope? | Contour lines are drawn close together. |
Cirrus Clouds (def) | Clouds are thin, feathery, very high & always made of ice crystals. These are easy to see when planes fly by & leave a jet trail |
Stratus Clouds (def) | Low sheets or layers of cloud formed from horizontal air movement |
Cumulus Clouds (def) | Clouds formed by vertically rising air currents piled in thick, puffy masses |
Meaning of the prefix Nimbo- | Rain Cloud |
Approximate difference in temperature between the air temperature & dew point temperature that will cause water to condense resulting in clouds & possibly precipitaion | A difference of 4 degrees or less |
# of inches of snow for every 1 inch of rain | 10 inches |
The higher the air rises, the (more)(less) moisture it can drop | More |
Windward (def),  | Side of a mountain where rising air cools, water condenses and falls as rain,  |
Leeward (def),  | Side of a mountain where air is compressing and the sinking air is dryer.,  |
2 Chemical agents that cause of Acid Rain | Sulfates (from volcanoes & fuel burning) and nitrates (from car exhaust and industrial processes)) |
4 Dangers from Acid Rain | Changes pH of the soil, makes stone weater faster, kills plants & animals, & damages metals |
Temperature Inversion (def) | Upside-down temperature condition occurring when surface air is colder than the air above. Cool polluted air is trapped by the warm air above it. |
What conditions favor the formation of temperature inversions? | Clear dry nights in the area of a valley or depression |
2 things that aid in destroying temperature inversions | Wind & sunlight |
What results from the uneven heating of the Earth's surface? | Winds |
Isobars that are close together signify areas were winds are (blowing faster) (blowing slower). | Blowing faster |
Winds blow from (high) (low) pressure to (high) (low) pressure | From high pressure to low pressure |
Anemometer (def) | Instrument that measures wind speed |
Weather/Windvane (def) | Instrument that shows wind direction |
How are winds named? | For the direction the wind comes from |
What causes winds to curve to their right in the northern hemisphere? | Coriolis Effect |
As altitude increase, what does temperature do? | Decreases |
As altitude increases what does pressure do? | Decreases |
As temperature increase, what does pressure do? | Decreases |
Are temperture & pressure positively or negatively correlated? | Negatively (Inversely) |
Sea Breeze (def) | Cool breeze off of the ocean due to air on land heating up and rising away |
Land Breeze (def) | Warm breeze off of the land due to cool air sinking over the land at night |
Which direction does a Nor' easter blow? | Southwest |
Name the 4 types of fronts | Warm, Cold, Stationary, & Occluded |
Air Mass (def) | A large body of air that has the same properties as the surface over which it develops |
Front (def) | Boundary between two air masses; storms & precipitation occur here |
What does a fully darkened station model circle represent? | A completely overcast sky |
What does a flag (pennant) represent on a station model shaft? | 50 knots |
What does one long feather on a station model shaft represent? | 10 knots |
What does a short feather on a station model shaft represent? | 5 knots |
Which direction does the shaft of a station model point? | Into the wind. This example has the wind coming from the SE,  |
Pressure gradient (def) | Rate of change in pressure |
Layer of the atmosphere where the jet stream is found | Upper Troposphere |
Direction Tornados usually move | From the southwest to the northeast |
Where in the atmosphere do tornados usually form? | Usually form along a front |
Tornado Alley Examples | Texas, Oklahoma, Kansas, & Missouri |
Meteorologist (def) | Person who studies the weater |
Station Model (def) | Symbols used by (NWS) the National Weather Service to depict current weather in one particular area |
Station Model symbol that means rain | Dots |
Station Model symbol that means fog | 3 Horizonal lines like an = sign with an extra line |
Station Model symbol that means snow | Asterick * |
Weather Watch (def) | A cautionary statement issued by the NWS indicating that atmospheric conditions are favorable for the development of a particular weather or hydrologic phenomenon. |
Weather Warning (def) | A cautionary statement issued by the NWS indicating that a specific hazardous weather or hydrologic event is imminent or actually occurring |
pH of Acid Rain | 4.6 or lower |
pH of "Normal" Rain | 5.6 |
Why does hot air rise? | Hot air is less dense than the air around it |
Why does cool air sink? | Cool air is more dense than the air around it |
What are the 2 most abundant gases in our atmosphere with %? | Nitrogen 78% & Oxygen 21% |
What city has clear skies and warm weather?,  | St. Louis,  |
Which state has stormy weather: NY or Wisconsin?,  | NY. It has the L for low pressure,  |
Whis letter represents the leeward side of the mountain?,  | B,  |
What direction does Mill flow?,  | NE contour lines bend & point up stream, river flows downstream,  |
What is the elevation of point Z?,  | 220 meters,  |
If the contour line for point Z had hachures on it, what would be the elevation of point Z?,  | 200 meters. The 1st depression contour is the same elevation as the last contour line around it because you come back down from the peak to go into the crater.,  |
Temperature at which water is most dense | 4 degrees C |
On Planet X, City A & B are exactly north & south of each other. The distance between City A & City B is 1000 m. At noon on a certain day, the sun is directly overhead at City A casting no shadow, but casts a shadow measuring 190 at City B. What is the circumference of Planet X? | 1894.74 m,  |
Greenhouse Effect (def) | A warming of Earth's atmosphere do to an increase in certain gases such as carbon dioxide & methane |
Chloroflurocarbons (def) | CFC's; destroy the Ozone layer in stratosphere |
Which cools more slowly: water or land? | water |
Which heats more quickly: water or land? | Land |
Why does the Equator have a hotter climate than NJ? | The Equator gets more days of direct concentrated sunlight |
How does air temperature relate to water vapor in the atmosphere | Air with higher tempertures can hold more water vapor |
What kind of weather is predicted when a barometer rises? | High pressure = good weather |
What kind of weather is predicted when a barometer falls? | Low pressure = Bad weather |
Sea Breeze (def) | Occurrs when warm air over land rises and is replaced by cool air of the ocean |
Land Breeze (def) | Occurs when warm air over the ocean rises and is replaced by cool air from land |
3ml = |  |
List the layers of the atmosphere from the Earth up. | Troposphere, Stratosphere, Mesosphere, Thermosphere |