study guide Flashcards
hypothesis
can be tested and proven false
most reliable scientific results published
peer reviewed scientific journals
scientific process
observe hypothesis test analyze conclude
observations used as scientific method shouldn’t include______
anecdotal evidence
hypothesis is everything except
proven true
hypothesis must be ___ and ___
testable and falsifiable
placebo is given to the
control group
in a controlled experiment one must include
all of the above; dependent, independent, falsifiable repeat
in a controlled experiment one factor is changed
independent variables
example of everyday non scientific theory
broccoli tastes better than cauliflower
protons are found in the nucleus and electrons are found
around them
elements identify
protons
elements atomic number refers to
protons
elements atomic mass refers to
protons plus neutrons
covalent bond
sharing electrons between atoms
not a functional trait of a living organism
moving from place to place
osmosis is
the diffusion of water
ribosomes are necessary for
protein production
peptidoglycen cell walls found in
bacterial cells
structure found in prokaryotic cells and not animals cells
cell wall
not composed of cells
viruses
feature found in eukaryotic cells but not in prokaryotic
nucleus
all cells come from
pre-existing cells
basic structural unit of life
cells
solution with PH of 3.5
acidic
cell membranes are made up of
phospholipids
Do not share functional trains of a living organism
viruses
