matter
mixtures
chemical/physical
etc.
matter part 2
100
the study of matter and how it changes
What is chemistry
100
two or more pure substances
What is a mixture
100
the substance produced by a chemical reaction.
What is product
100
density over 1 = _______
the object sinks
100
melting, evaporation/boiling, deposition, sublimation, condensation, freezing
what are some phase changes
200
anything that has mass or volume
What is matter
200
substances that dissolve and form a homogeneous mixture
What is a solution
200
the starting materials in a chemical reaction
What is reactant
200
density under 1 = ______
the item floats
200
can not be destroyed or created.
What is the law of conservation of mass
300
matter that always has the exact same composition and properties.
What are pure substances
300
heterogeneous mixture that separates over time
What is a suspension
300
when a new substance is formed
What is a chemical change
300
solid, liquid, gas
What are the three states of matter
300
can not be created or destroyed
What is the law of conservation of energy
400
Elements, Compounds, molecules
What can substances be classified into
400
contains some particles that are intermediate in size between small and large particles. parts cant be filtered or separated.
What is a colloid
400
when a substances appearance changes
physical change
400
whats the equation for density
m/v
400
something that describes matter
What is a property
500
Heterogeneous, Immiscible, Homogeneous, Miscible
What are the types of mixtures
500
separating it at boiling point
What is distillation
500
what are some signs that its a physical change
cutting grass, hammering steel, peanut into peanut butter, braiding hair, ice melting
500
distillation, filtration
What are two ways to separate mixtures
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