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65 Cards in this Set

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