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Science Vocabulary
Science
60
Science
7th Grade
12/17/2006

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Cards

Term
Sharp Objects
Definition
Pointed tips, scissors, scalpel & knoves. Always point away from you
Term
Quantitative Observation
Definition
Observations of any particular quantitative property are expressed as a specific quantity, referred to as a unit
Term
Qualitative Observation
Definition
qualitative observation relies on reasons behind various aspects of behaviour.
Term
Mass
Definition
Amount of space an objkect take up
Term
Volume
Definition
Amount of mass an object has
Term
Weight
Definition
Amount of valume and object has
Term
manipulated variable
Definition
A variable change
Term
Responding Variable
Definition
Factor that changes becasue of the controlled varibales
Term
controlled variables
Definition
A varibale that is controlled so that it can't change
Term
Thermometer (heated)
Definition
When a thermometer is heated the mercury expands going up.
Term
Thermometer (Cooled)
Definition
When cooled the mercury contracts and goes down.
Term
Body temperature in Celsius
Definition
body temperature = 37 degrees Celsius
Term
700KM = How many meters
Definition
1 kilometers = 1 000 meters
700KM = 700,000 meters
Term
6.5 centimeters = how manyu meters
Definition
1 centimeters = 0.01 meters

.065 Meters
Term
45.8 gal = How many ML
Definition
1 US gallons = 3785.4118 milliliters
45.8 X 3 785.41118 = 173,371.832 ML
Term
Ecosystem
Definition
All living and non living things that interact in an area
Term
Habitat
Definition
The place where an organisim lives and provides what it needs
Term
Producer
Definition
An organism that can make it's own food
Term
Consumer
Definition
An organism that obtains energy feeding on other organisims
Term
Decomposer
Definition
An organism that breaks down large molecules from dead organisms into small molecules and returns important materials to the environment.
Term
Food Chain
Definition
A series of events in which one organisim eats another and obtains energy.
Term
Preditor
Definition
A carnivor that hunts a kills other animals for food, and has adaptations that help it capture the animals it preys own. (Speed of a cheetah)
Term
Prey
Definition
An animal that a preditor feeds upon
Term
Pioneer species
Definition
The first species to populate an area
Term
Primary succession
Definition
The changes that ocurr in an area where no ecosystem had existed
Term
Energy
Definition
The ability to do work or cause change such as moving an object some distance.
Term
Kenitic Energy
Definition
Energy that an object has because of it's motion
Term
Potential energy
Definition
Energy that is stored and held in rediness.
Term
Work
Definition
The product of force and distance when a force is used to move an object.
Term
Inertia
Definition
The tendedncy of a moving object to continue in a straight line or of a stationary object to remain in place.
Term
Law 1
Definition
An object at rest tends to stay at rest. An object in motion tends to stay in motion.
Term
Law 2
Definition
The measurement of how somthjing changes speed is called acceleration.
Term
Law 3
Definition
For every action there is an equal and oposite reaction.
Term
Speed
Definition
How fast something is traveling
Term
Velocity
Definition
The velocity of an object is simply total speed in a particular direction.
Term
Acceleration
Definition
A measurment of how quickly something changes speed
Term
Gravitational potential energy
Definition
Energy that depends on the weigh of something
Term
Elastic potential energy
Definition
The energy of stressed or compressed objects.
Term
Electrical energy
Definition
The energy of electrical moving charges
Term
Thermal Energy
Definition
The energy created by heat
Term
Nuclear energy
Definition
The potential energy stored in the nucleus of an atom.
Term
Radiant ebergy
Definition
Energy produced by magnents
Term
Photosysthesis
Definition
The phase that plants go through to make their own food.
Term
The shape of the earths orbit around the sun is
Definition
OVAL
Term
The earths orbit around the sun is
Definition
Counter clockwise
Term
Rotation
Definition
When the earth spins around once
Term
Revolution
Definition
When the earth completes one full orbit around the sun
Term
Incline plane
Definition
It helps load boxes on a truck
Term
Wedge
Definition
Keeps somthing open
Term
Screw
Definition
Keeps something together
Term
Erosion
Definition
The process by which wanter,ice,wind or gravity moves fragments of rock and soil
Term
sediment
Definition
small solid particals of rock or organisms moved by wind or water.
Term
Deposition
Definition
Process by which sediments settles out of the water or wind that is carrying it and deposites it in a new area.
Term
Run off
Definition
Water that flows over the ground surface rather than soaking in the ground
Term
Stream
Definition
A channel through which water is continuoisly flowing down hill
Term
Tributary
Definition
A stream that flows into a larger stream.
Term
Drainage Basen
Definition
The land area from which a river and its tributaries collect water.
Term
Divide
Definition
A ridge of land that seperate one drainage basin or watershed from another
Term
Flood plane
Definition
A broad flat valley through which a river flows
Term
Meander
Definition
A looping curve formed in a river as it winds through it floodplanes.
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