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Changing Matter
Amanda30
21
Science
5th Grade
02/09/2012

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Term
states of matter
Definition
solid, liquid, gas
Term
freezing point
Definition
temperature at which a liquid freezes and goes from a liquid to a solid. Water freezes at 32F or 0C.
Term
boiling point
Definition
temperature at which a liquid boils to become a gas. Water boils at 212F or 100C
Term
melting point
Definition
temperature at which a solid becomes a liquid. Water melts at 32F or 0C
Term
physical change
Definition
a change in matter's position, size, shape, volume or state of matter
Term
chemical change
Definition
occurs when one matter changes into another completely different kind of matter with different properties.
Term
liquid
Definition
Does not have a fixed shape but does have a fixed volume. Molecules move about which results in a flow
Term
gas
Definition
no fixed shape or volume. molecules move around freely.
Term
solid
Definition
fixed in shape and volume. molecules are in a fixed position and do not move
Term
32F or 0C
Definition
melting point for ice
Term
32F or 0C
Definition
freezing point for water
Term
212F or 100C
Definition
boiling point for water
Term
condensation
Definition
when water vapor cools to become water
Term
physical change
Definition
when an object changes size, position, shape volume or state of matter, but not its chemical property.
Term
evaporation
Definition
when water heats to become water vapor
Term
chemical change
Definition
changes into another completely different kind of matter with different chemical properties. Creates a new material.
Term
physical
Definition
ice melting is what type of change?
Term
physical
Definition
slicing an egg is what type of change
Term
chemical technology
Definition
scientists that use chemistry to improve lives and create new useful materials.
Term
chemical
Definition
burning wood is what type of change?
Term
chemical
Definition
rusted nail is what type of change?
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