Chapter 2 Tools of Environmental Science

The frequency of occurrence of specific values in a population.

Not believing everything scientists hear/need proof

____ is the chance that something will happen.

A ____ model is a 3D model that you can touch, that closely resembles the object or system.

Considering new results are accurate, even though that may prove the hypothesis is wrong

The _____ group is the group that receives the experimental treatment.

A conceptual model is a verbal or graphical explanation of how something works. An example is_.

Wanting to know/wondering about things

The ____ is the characteristic that is being tested.

The first step in the scientific method is to _____ something in nature.

The group that does not receive the experimental treatment.

We observe things in nature using our ______.

____ are principles or standards we consider important.

___ population is a group of similar things that a scientist wants to study.

A ___ is a representation of an object or a system.

Thinking outside of the box

A ______ study may show a relationship between variables.

The collection of and classification of data in the form of numbers.

The average- adding the measurements and dividing by the number of measurements.

A testable idea or explanation for what you observed is a ______.

Perform ______ to learn more about the subject.

A ______ model shows the position or location of objects or events. ex. chart or graph