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Science Final Exam Vocabulary Flashcards
Science Final Exam Vocabulary Flashcards for studying (By Jack)
35
Science
8th Grade
06/09/2014

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Term
Independent Variable
Definition
An independent variable is the variable you have control over, what you can choose and manipulate.
Term
Dependent Variable
Definition
A dependent variable is what you measure in the experiment and what is affected during the experiment. It depends on the depends Variable.
Term
Controlled Variable
Definition
The control variable is something that is constant and unchanged in an experiment.
Term
Fair Test
Definition
A test that can be repeated and has a control.
Term
Hypothesis
Definition
A statement of what you predict will occur in an experiment.
Term
Force
Definition
Strength or energy as an attribute of physical action or movement.
Term
Flow rate
Definition
The volume of fluid which passes through a given surface per unit time.
Term
Dynamic
Definition
A process or system characterized by constant change, activity, or progress.
Term
Aerodynamic
Definition
A shape that reduces the drag from air moving past.
Term
Hydrodynamics
Definition
The branch of science concerned with forces acting on or exerted by fluids.
Term
Kinetic Molecular Theory
Definition
The theory that all matter is made up of particles and there is different forces of attraction between them and they are always in motion.
Term
Evaporation
Definition
Liquid to Gas.
Term
Solidification
Definition
Liquid to Solid.
Term
Sublimation
Definition
Gas to Solid, Solid to Gas.
Term
Melting
Definition
Solid to Liquid.
Term
Condensation
Definition
Gas to Liquid.
Term
Laminar Flow
Definition
When water travels in straight or almost straight lines. Example: Tap.
Term
Turbulent Flow
Definition
When water is not able to flow in straight lines. Example: Rapids.
Term
Drag
Definition
A force (air or water resistance) that acts to slow a body moving through a fluid.
Term
Streamlined
Definition
Shaped to create laminar flow, has less air or water resistance.
Term
Viscosity
Definition
The Measurement of a fluids resistance to flow.
Term
Cohesion
Definition
The attractive forces among the particles of a substance.
Term
Adhesion
Definition
The attractive forces between the particles of a fluid and the particles of another substance.
Term
Surface tension
Definition
The increased attraction among the particles at the surface of a liquid.
Term
Mass
Definition
The amount of matter in an object, which stays constant anywhere in the universe. Measured in grams (G) or units derived from grams.
Term
Weight
Definition
The pull that gravity has on an object. Measured in Pounds (lb) or units derived from pounds.
Term
Volume
Definition
The amount of space that a substance or object occupies.
Term
Density
Definition
The mass of a substance per unit volume of the substance.
Term
Positive Buoyancy
Definition
When the buoyant force is bigger than the gravity force.
Term
Neutral buoyancy
Definition
When the buoyant and gravity force are equal.
Term
Negative Buoyancy
Definition
When the gravity force is bigger than the buoyant force.
Term
Pressure
Definition
The continuous physical force exerted on or against an object by something in contact with it.
Term
Transparent
Definition
A Material allowing light to pass through so that objects behind can be distinctly seen.
Term
Translucent
Definition
Allowing light, but not detailed images, to pass through.
Term
Opaque
Definition
Not able to be seen through.
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