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25 terms

science 1-25 slides

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speed
Total distance divided by total time.
Velocity
Described by both speed and direction.
Force
Push or pull on an object.
Motion
Any change in position.
Gravity
Accelerates objects at a rate of 9.8 m/s2
Accleration
The rate of change of velocity.
instantaneous speed
Speed measured at a given point in time.
inertia
The tendency for an object to resist any change in its motion.
Second law
F = ma comes from Newton's
friction
The force that opposes motion between two surfaces which are touching each other.
first law
An object in motion tends to stay in motion is part of Newton's
acceleration
Results when force is in the direction of velocity.
final velocity
Vf stands for?
negative velocity
Results when force is in the opposite direction of velocity.
Hydroxide
The specific name for OH-
energy
The ability to cause change.
Hydronium
The specific name for H3O+
base
Releases hydroxide ions into aqueous solution.
thermal pollution
Occurs when waste heat significantly changes the temperature of the environment.
acid
Releases hydrogen ions into aqueous solution.
pickling
A process in which oxides are removed from metal surfaces using hydrochloric acid.
Kinetic energy
the energy of motion
alloy
The specific name for what results when a solid metal is dissolved in another solid metal.
specific heat
The energy required to raise the temperature of 1 kg of material 1 K.
Potential energy
stored energy