Ch 2: Tools of Environmental Science

representations of objects or systems

collection of data in the form of numbers

An ___________ is an organized process used to test a hypothesis.

adding the data and dividing it by the number of objects

When scientists want to find more information on a topic they use the universal...

standards that you consider important

If your hypothesis was proven wrong in an experiment what should you do?

Group that is not tested on

group of similar things that is being studied

Step of the experimental method that tests the hypothesis.

Once you analyze your results you come come to a decision about the hypothesis or a __________.

model that is a systematic process for making decisions

When doing an experiment, what should you also be recording at the same time?

The question being tested

Once you have your data you must sit down and make sense of it or ___________ it.

When experiments are impossible predictions are tested by looking at

chance something will happen

What should you do before you come up with a hypothesis?

group of individuals or events selected to represent the population

What displays trends of data or data in motion

Group that is tested on during experiment.

What is a factor of an experiment that measured or observed.

Factor in an experiment that is tested or changed.

A testable idea or explanation. More than a guess.

Scientists strive to publish their results in