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62 Cards in this Set
 Front
 Back
Degree

a unit of measure for angles


Customary units
Metric Units 
inches, feet, yards, and miles
Millimeters, centimeters, meters, and kilometers 

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


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


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
