Experimental Design

An organized way to collect and record scientific observations is with a(n)

Which stage of the scientific process enables a scientist to check the work of other scientists?

During an experiment, which factors must be controlled so that researchers can draw a logical conclusion from the experiment?

Observations that deal with descriptions that cannot be expressed in numbers are called

In a scientific experiment, the responding variable can also be called the

A possible explanation for a set of observations or answer to a scientific question is called a(n)

A working model used to test a design is called a

Observations that deal with a number or amount are called

The first step in designing or redesigning a product is

The factor that may change in response to the manipulated variable is called the