Science Exams

What is the first thing you should do in a lab?

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.

_______ 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.

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:

_________ 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 ______.

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.