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20 Cards in this Set

  • Front
  • Back
ABIOTIC FACTOR
A NONLIVING PART OF AN ECOSYSTEM
ABSOLUTE AGE
THE ACTUAL AGE OF A ROCK, ROCK LAYER, OR FOSSIL
ABSOLUTE MAGNITUDE
THE ACTUAL BRIGHTNESS OF A STAR
ACCELERATION
A CHANGE IN AN OBJECT'S SPEED OR DIRECTION
ACID RAIN
RAIN THAT CONTAINS UNHEALTHY AMOUNTS OF ACID
ADAPTATION
A STRUCTURE OR BEHAVIOR THAT HELPS AN ORGANISM SURVIVE IN ITS SURROUNDINGS
ADULT
A FULL GROWN ANIMAL OR PLANT
AIR
A MIXTURE OF GASES THAT SURROUND THE EARTH
AIR GASES
NITROGEN-78%; OXYGEN-21%; OTHER GASES-1%(CARBON DIOXIDE, WATER VAPOR, ARGON, NEON, HELIUM, KRYPTON, XENON, METHANE, HYDROGEN, OZONE)
AIR MASS
A LARGE "BUBBLE" OF AIR THAT HAS ABOUT THE SAME TEMPERATURE AND HUMIDITY THROUGHOUT IT
AIR POLLUTION
THE PRESENCE OF HARMFUL SUBSTANCES IN THE AIR
AIR PRESSURE
THE WEIGHT OF AIR PUSHING ON EVERYTHING AROUND IT
ALTERNATIVE ENERGY SOURCE
A SOUCE OF ENERGY OTHER THAN THE BURNING OF A FOSSIL FUEL
ALTITUDE
THE HEIGHT ABOVE SEA LEVEL; ALSO CALLED ELEVATION
AMP
THE UNIT USED TO MEASURE ELECTRIC CURRENT
AMPHIBIAN
AN ANIMAL THAT HAS A BACKBONE AND LIVES IN WATER WHEN IT IS YOUNG AND ON LAND WHEN IT IS AN ADULT
AMPLITUDE
A MEASURE OF HOW HARD AIR MOLECULES PUSH ON OTHER MOLECULES NEXT TO THEM AS A SOUND PASSES THROUGH THE AIR
ANEMOMETER
A WEATHER INSTRUMENT THAT MEASURES WIND SPEED
ANGIOSPERM
A SEED PLANT THAT PRODUCES FLOWERS
ANIMAL
AN ORGANISM THAT IS MADE OF MANY