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MIS Chapter 4 Quest
Chapter 4
30
Science
8th Grade
12/13/2013

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Term
Atoms and Molecules are tiny particles that are
Definition
always in motion and found in all matter
Term
Tiny particles that make up matter are
Definition
in constant motion
Term
Particle motion is
Definition
a solid that vibrates in place
Term
Gas has neither a definite volume
Definition
or definite shape
Term
Particles of gas move
Definition
Independently and collide frequently
Term
Surface Tension
Definition
The inward pull among surface molecules of a liquid that brings those molecules closer together
Term
Plasmas are different from gas
Definition
because they conduct electric currents
Term
A substance change of state is a
Definition
Physical Change because the substance does not change its identity
Term
Change of state
Definition
Change of matter from one physical from to another
Term
When carbon dioxide gas enters the air from the surface of a block of dry ice
Definition
The carbon dioxide gains energy
Term
Melting
Definition
The change of state from a solid to a liquid
Term
Melting point
Definition
The temperature at which a substance melts
Term
A substance melting point is the same as its
Definition
Freezing point
Term
Freezing
Definition
The change of state from a liquid to a solid
Term
Boiling
Definition
The change of a liquid to a gas and occurs through out the liquid
Term
Boiling point
Definition
Temperature at which a substance changes from a liquid to a gas
Term
When a liquid becomes a gas
Definition
the particles move more QUICKLY
the particles BREAK AWAY from one another
Term
Condensation point of water
Definition
is the same as its boiling point
Term
The ATMOSPHERIC PRESSURE at which water is heated
Definition
can affect the temperature at which water boils.
Term
Vaporization
Definition
the change of state from a gas to a liquid
Term
Deposition
Definition
the change of state that goes directly from a gas to a solid
Term
Opposite of VAPORIZATION
Definition
CONDENSATION
Term
Evaporation occurs at the
Definition
surface of a liquid
Term
Boiling occurs
Definition
thoughout the liqid
Term
Gaseous water particles coming together to form droplets on a cup are an example of a
Definition
DECREASE OF ENERGY in a substance
Term
Sublimation
Definition
the change of state from a solid directly to a gas
Term
When a liquid has a high viscosity
Definition
it is very hard to pour (molasses)
Term
Examples of phyiscal properties include
Definition
shiny, soft and malleable
Term
Reason we do not feel the earth rotating on its axis
Definition
because we are rotating with it
Term
WHen you use an electric current to split liquid water a
Definition
chemical change takes place because the matter forms hydrogen gas and oxygen gas.
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