Card Set Information
Flash card 43
What is the first thing you should do in a lab?
Read all directions
If you catch fire during a lab you should stop, drop, and _____.
Long hair should be _____ back during a lab.
Do not ____ or drink anything in the lab.
What is the proper way to test an odor in the lab?
A ________ is used to measue the exact amount of liquid in mL.
A ______ or _______ may be used to heat or store liquids but are not as accurate as #6.
A flask or Test tube
_______ are hinged instruments used for grasping and holding objects, especially during dissections.
A ________ is used to precisely measure the mass of an object in grams.
Triple Beam Balance
A ______ is used to make cuts in dissecting organisms.
________ are made when collecting info with the senses.
An interpretation based on evidence and prior knowledge is an
Factors that remain the same during an exmeriment are
_______ observations are measurable and countable.
________ observations are describable.
________ is the art and science of asking questions about the natural world.
Factors that change during an experiment are known as
A _______ is the part of an experiment to which everything is compared.
The _______ variable can be measured or counted.
A liquid that dissolves a soild is a
The variable that is changed or manipulated on purpose is the ________ variable.
A soild that is dissolved by a liquid is a
A(n) ________ is a possible explanation for observation that relate to a scientific question and can be tested by an experiment.
A(n) _______ is any living thing.
The regulation of organism's life maintaining conditions is ________.
List the 5 characteristics of living things:
Made of cells,
Adapt to environment,
Grow and Develope
_________ cells have a membrane bound nucleus.
________ cells do not have a membrane bound nucleus.
_________ reprodution involves only one parent.
In _______ reproduction their are 2 parents.
The Belief that living things can come from non liviing things is known as
Which scientist disproved spontaneous generation for the last time?
_______ is the theory that living things can only come from living things
______ tried to disprove spontaneous generation with the maggot and meat experiment.
Which 2 scientists are credited with attempting to classify organisms?
Scientific names of organisms consist of the _____ and ______.
Genus and Species
The Classification system used today seperates organisms into ___ Kingdoms.
List the Kingdoms used today:
List the 7 levels of classification from gereral to most specific:
Which part of the scientific name is capitalized?
Scientific names are either written is Greek or
The evolutionary history of an organism is know as
A _________ is paired statements used to describe the physical characteristics of an organism.