Ch 1 Science Skills and Scientific Method

A hypothesis must be

The variable that responds so you can measure and collect data

A valid reason why a scientist might reject a theory.

Facts, numbers, observations in an experiment

Observations that deal with descriptions

Placing items in categories according to similarities

A possible explanation to a scientific question

A well tested explanation

The variables that are kept the same to ensure a fair experiment

Using one or more of your senses to gather info

The variable that is changed on purpose

What is expected to happen every time under a certain set of conditions

Explaining or interpreting your observations

When a scientist compares and analyzes data

A statement about what will happen in the future

The stage in which other scientists share and may duplicate your experiment

A summary of what you have learned in an experiment

Observations that deal with numbers or amounts

The 3 kinds of models

Creating a representation of an object or process