Science TEST (ch. 2)

a procedure designed to test a hypothesis under controlled conditions _______

the group that does not receive the experimental treatment in an experiment is the ______

what are bar graphs good for

Three-dimensional models you can touch are referred to as __ models

in a scientific investigation, it is important that the number of objects or events being sampled be

The chance that an event will happen is known as ______

Scientists use statistics to describe ______ groups of similare things they are interested in learning more about.

the _____ consists of a series of steps used by scientists to identify and answer questions

scientists use statistics to ______

Map and charts are examples of _______ models

By examining __ scientists can test predictions for situations in which it is impossible or unethical to use experiments

the chance that an earthquake will occur in your town during the next year is an example of _______

Numeric information called _ is gathered in an experiment.

a good hypothesis is more than a guess because it _____

why are mathematical models important

the classification and collection of data that are in the form of numbers is called ___

which step in the scientific method are scientists conducting when they photograph birds in flights?

In statistics, the group of individuals used to represent the population is called the ________