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65 Cards in this Set
- Front
- Back
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Degree
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a unit of measure for angles
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Customary units
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inches, feet, yards, and miles
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Acute Angles
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angles less that 90 degree
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Diameter
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a straight line segment that goes from one edge of a circle to the other side
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Volume
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the amount of space it takes up
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Life Cycles
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the recurring pattern of events in the life cycle birth, growth, reproduction, and death
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Commutative Property of Addition and Multiplication
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the order in which addends are added or factors are multiplied does not matter
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The Associative Property for Addition and Multiplication
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associating three or more addends or factors in a different fashion will not change the sum
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Metric Units
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Millimeters, centimeters, meters, and kilokmeters
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Standard Deviation
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a set of values that tells how tightly all of the values are clustered around the mean of the set
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Atmosphere
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the layer of gasses held close to the earth by gravitational force
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The additive Identity Property of Zero
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adding zero to any number will not change the numbers
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Atomic Theory
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atoms and molecules are the fundamental building blocks of all matter
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The property of reciprocals
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any number multiplied by its reciprocal gives 1
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Kinetic Energy
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the energy of motion
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Rational Numbers
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those that can be written as fractions
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Negative Numbers
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those numbers less that zero
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Energy
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the ability to do work
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Molecule
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the smallest particle of a compound
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Atom
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the smallest particle of a element
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Obtuse Angles
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angles greater that 90 degress
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Radius
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half of the diameter
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Polygon
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a closed figure bounded by straight lines
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The Multiplicative Identity Property of one
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any number multiplied by 1 remains the same
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Scientific Hypothesis
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a testable statemtn about the natural world
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Absolute Value
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a number and its distance from zero on a number line
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Cardinal Numbers
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used to desctibe the size of the set
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Ordinal Numbers
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refers to the position in the serises
1sr, 2nd, 3rd |
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Prime Numbers
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a positive integer that has two positive integer factors, 1 and itself
2,3,5,7,17, 19, 23 |
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Composite Numbers
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can be divided evenly by numbers other then one and itself
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Equilateral Triangles
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all sides are congruent
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Isosceles Triangle
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at least two sides are congruent
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scalene triangles
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no two sides are congruent
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Respiration
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the process of breaking down food so that its energy can be used
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Ecology
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the study of how pants and animals live together/interact with each other in their natural environments
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Habitat
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a natural home where plants and animals find food, water, and space to surive
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Ecosystems
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how plants and animals within a habitat interact with each other and with nonliving parts of their enivironments
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Food Chain
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a chain of living things
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Water Cycle
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-Evaporation
- Condensation - Precipitation |
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adaptation
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gradual changes plants and animals make to suit their environments
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migration
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the movement of animals over the same route in the same season each year
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Igneous Rocks
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rocks formed from fire
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Sedimentary Rocks
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made up of sediment, tiny grains of sand, silt, clay, or bits of other rocks
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Metamorphic Rocks
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are formed as the result of changes that occur in existing rocks
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Minerals
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nonliving substances made up of particles that are arranged in regualr patterns
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Weather
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day to day temperatures, winds, precipitation, and other atmospheric conditions
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Air Mass
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a body of air spread ove hundreds of miles. Both the temperature and humidity are nearly the same throughout
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Air Temperature
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the measure of hotness and coldness in the air
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Dew Point
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the temperature at which water vapor changes into liquid water
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Fog
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a cloud in the air near the ground
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Humidity
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amount of moisture in the air
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Fronts
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Boundaries between air masses
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Cold Front
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moves in on a area of warm air then slides in underneath the lighter mass and pushes it up.
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Warm Front
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moves in on an area of cold air. Lighter warm air slides over the heavy cold air creating a gentle slope
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Asteroids
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Planet like bodies that revolve around the sun.
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Meteoroids
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small rock like objects that move from outer space into the earth's atmosphere
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Comets
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frozen masses of dust and ice that orbit the sun
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Matter
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anything that has volume and mass
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Inertia
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the force you have to overcome to get two objects to move
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Density
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describes the mass of a object divided by its volume
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Potential Energy
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stored energy
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Force
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the need to overcome the inertia
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Transparent
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materials that transmit nearly all light
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Translucent
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materials that transmit light but gives a cloudy appearance
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Opaque
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materials do not transmit any light
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