Semester Exam Flashcards
The initial observation, the “what just happened” moment
observe and question
an “educated guess”
hypothesis
Was the hypothesis correct or incorrect? (one word)
conclusion
Carefully planned and written step by step experiment
procedure
Information collected during the experiment
data
gathering information prior to experimentation
research
written description of what was noticed during the experiment
hypothesis
In an experiment, the experimenter manipulates/changes the
independent variable
the smallest unit that can perform all of life’s processes
cell
surface tension is the result of
hydrogen bonds
carbon likes to bond 4 times by sharing electrons, this is called a
covalent bond
structures that carry out specialized jobs
tissues
process by which an organism becomes a mature adults
development
Why did the early biologists, in particular during the renaissance, primarily study nature?
Learn about God
The experimenter measures the
dependent variable
Speeds up a chemical reaction by reducing the amount of energy needed to begin the reaction
catalyst
provides a normal standard against which the biologist can compare results
control group
fire is what kind of chemical reaction
exothermic
groups of cells with similar abilities
tissues
a paperclip can rest on the surface of the water due the ____ between water molecules
cohesion
energy needed to begin a reaction
activation energy
commonly referred to as the “organs of cells”, they perform all of the unctions within a eukaryotic cell
organelles
made of a single kind of atom that cannot be broken down any smaller by chemical means
element
electrons move about the nucleus of an atom in
orbitals
