Term
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Definition
A measure of the rate of
change in the speed of an object over
time. |
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Term
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Definition
A beneficial trait that
enables species to survive and reproduce. |
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Term
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Definition
The "height" of a wavethe
distance between the midpoint and
the top of a crest or bottom of a trough. |
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Term
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Definition
The basic building block of
matter that has all the properties of
matter. |
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Term
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Definition
Single-celled organisms that
lack a nucleus. |
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Term
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Definition
A measure of the variety
of living things in an ecosystem. |
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Term
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Definition
An estimate of the biological
mass of all living things in a given area. |
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Term
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Definition
A force that results when
objects displace a liquid or gas. |
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Term
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Definition
A summary of how
carbon moves through an ecosystem. |
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Term
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Definition
The basic building block of living
things that can perform basic life.
functions. |
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Term
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Definition
Any change that
alters the chemical properties of the
atoms or molecules in an object. |
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Term
|
Definition
A series of
chemical formulas and symbols that
show the reactants and products in a
reaction. |
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Term
|
Definition
Symbols and
subscripts that identify the type and
number of elements in a substance. |
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Term
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Definition
An organelle in a plant
cell that carries out photosynthesis. |
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Term
|
Definition
A human body
system that transports nutrients and
wastes throughout the body. |
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Term
|
Definition
Whole number multiplier
that appears before a chemical formula in
an equation that is used to balance the
equation. |
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Term
|
Definition
A symbiotic
relationship where one organism benefits
without harming the other. |
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Term
|
Definition
An interpretation based on
research, experience, and data. |
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Term
|
Definition
A method of transferring
heat that involves direct contact. |
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Term
|
Definition
The level of certainty one
feels that data, inferences, and theories
reflect an accurate picture of the real
world. |
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Term
|
Definition
Part of an experiment
that is not subjected to the variable so
that it can be compared to the
experimental group. |
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Term
|
Definition
A method of transferring
heat where the movement of a liquid or
gas carries the heat. |
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Term
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Definition
| A bond that involves sharing electrons between two or more atoms. |
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Term
|
Definition
| A property of matter equal to the mass divided by the volume. |
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Term
|
Definition
| The variable that measures the effects of changes in the independent variable. |
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Term
|
Definition
A system that breaks
down food and releases the stored energy. |
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Term
|
Definition
When an ionic compound
separates into ions in a solution. |
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Term
|
Definition
A nucleic acid found in cells that
A nucleic acid found in cells that
Carries the blueprints for all of the cell's
activities and stores and transmits genetic
information. |
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Term
|
Definition
All of the living and
nonliving parts interacting in a given
area. |
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Term
|
Definition
A solution containing ions
that conducts electricity. |
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Term
|
Definition
A measure of how
strongly an atom will attract an electron. |
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Term
|
Definition
A substance made of only one
kind of atom. |
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Term
|
Definition
An organelle
that transports materials through the cell. |
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Term
|
Definition
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Term
|
Definition
A process by which
populations of living things change over
time. |
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Term
|
Definition
An artificial situation
where a scientist controls the variables. |
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Term
|
Definition
The part of an
experiment subjected to a change in the
independent variable. |
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Term
|
Definition
When all members of a
species die out. |
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Term
|
Definition
A substance that flows, taking the
shape of the container that holds it,
including gases and liquids. |
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Term
|
Definition
The feeding order among
populations that prey on one another. |
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Term
|
Definition
Two or more interconnected
food chains. |
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Term
|
Definition
The number of waves that
pass a given point in a given amount of
time. |
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Term
|
Definition
A molecule created during
photosynthesis that stores large amounts
of energy. |
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Term
|
Definition
A process that breaks down
glucose into pyruvic acid. |
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Term
|
Definition
One of eighteen vertical columns
in the Periodic Table. |
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Term
|
Definition
The transfer of energy as a result
of a temperature difference. |
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Term
|
Definition
The state in which a
The state in which a natural system is balanced and tends to
maintain that balance; the ability of a
living thing to maintain the constant
internal environment needed to function
and survive. |
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Term
|
Definition
A possible, testable
explanation to a scientific question. |
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Term
|
Definition
A human body
system that fights disease and invaders.
Inclined plane A simple machine like
a ramp. |
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Term
|
Definition
The variable
changed by the experimenter. |
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Term
|
Definition
A deduction or assumption
based on observation. |
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Term
|
Definition
(skin) A
system that provides a barrier between
the organism and the environment. |
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Term
|
Definition
The process by which two
or more waves interact. |
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Term
|
Definition
The systematic approach
to answering scientific questions. |
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Term
|
Definition
A charged atom that has gained or
lost electrons. |
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