Scientific Method - Scientific Law - CORRECT ANSWER Statement that summarizes
past observations and new ones. Predicts future outcomes.
Scientific Method - Theory - CORRECT ANSWER Model that tries to explain
nature's actions and why it does it. Can be validated by experiments but it is
never conclusive.
Matter Classification - Matter - CORRECT ANSWER Anything that takes up space
and has mass.
Matter Classification - Solid - CORRECT ANSWER Atoms/Molecules tightly packed,
particles can vibrate, Fixed Volume and Fixed Shape.
Matter Classification - Solids - Crystalline - CORRECT ANSWER Particles have long
stringed patterns
Matter Classification - Solids - Amorphous - CORRECT ANSWER No Long range
order of particles.
Matter Classification - Liquids - CORRECT ANSWER Packing almost as tight as
solids, No fixed shape but a fixed volume.
Matter Classification - Gas - CORRECT ANSWER Lots of space between atoms,
Assume Volume of container, Compressible.
Matter Classification - Pure Substance - CORRECT ANSWER Matter Composed of 1
type of atom
, Matter Classification - Mixture - CORRECT ANSWER Matter Composed of different
atoms/molecules with variable proportions.
Matter Classification - Pure Substance - Element - CORRECT ANSWER Substances
that cannot be broken down into simpler substances. On the periodic table.
Matter Classification - Pure Substance - Compound - CORRECT ANSWER
Substances composed of 2 or more elements in fixed definite proportions.
Matter Classification - Mixture - Homogeneous - CORRECT ANSWER Mixture that
has same composition throughout. ex, salt water.
Matter Classification - Mixture - Heterogeneous - CORRECT ANSWER Mixture
having 2+ regions with different compositions, ex. oil + water.
Separating Mixtures - Decantation - CORRECT ANSWER Gently pour a liquid off of
a solid
Separating Mixtures - Filtration - CORRECT ANSWER Pour a mixture through a
piece of filter paper.
Separating Mixtures - Filtration - Method - CORRECT ANSWER Use a ring stand to
clamp a funnel in place. Place folded filter paper into funnel and pour mixture in.
Separating Mixtures - Distillation - CORRECT ANSWER Separating Homogenous
mixtures by heating to saperate through different boiling points.
Separating Mixtures - Distillation - Method - CORRECT ANSWER Place a flask with
a homogeneous mixture down, attach fractionating column and cold water
condenser and a second receiving flask. Apply heat and the lower b.p liquid will
condense at the cold water condenser and fall into the receiving flask whereas
the higher b.p will fall back into the original flask.
Chemical and Physical Property - Properties - CORRECT ANSWER Characteristics
we use to distinguish one substance from another.
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