phase changes
What is the phase change from gas to liquid
Condensation
What is a property?
Something that describes matter.
Definition physical change
Does not change the composition of a substance;still the same substance after the change.
what is a solid
matter with definite shape and volume
What is the solid particle arrangement
what is the phase change from solid to liquid
melting
Definition of Physical Properties.
Characteristics that can be absorbed without changing it.
Evidence of a physical change
1. Change in state of matter
2. Change in size or shape
What is the law of conservation of mass?
Mass is not created or destroyed
What is a product?
A substance produced in a chemical reaction.
what is the phase change solid to gas
sublimation
Definition of Chemical Properties.
Describes the way substances react when it changes.
Examples of change in states
Melting of ice cream; hardening of melting wax, evaporating water from wet clothes
At higher temperatures molecules move...
Faster
What is Exothermic
Chemical Reaction in which energy/heat is primarily given off/released
what is the phase change from liquid to gas
evaporation
Definition of Malleability
The ability of a solid to be hammered or shaped without shattering.
Definition of Precipitate
A solid substance that sometimes forms when two solutions are combined
Energy is ___ in melting, evaporation, sublimation
Added
A light object would have __ density
Low
what is the phase change from gas to solid
depostition
Sink
What are some examples of the color changing during a chemical change?
1. Iron turns into a reddish-brown when it rusts
2. Clothes change color when bleached
3. apples turn brown when they react with oxygen in the air
4. marshmallows turn black when burned
What is phase change?
A transition of matter from one state to another
Examples of non-matter
Sound, Electricity, Light.