science Flashcards
science
is the investigation and exploration of natural events and of the new information that results from those investigations.
observation
The results of using one or more of your senses to gather information and taking note of what occurs.
Inference
Is a logical explanation of an observation that is drawn from prior knowledge or experience.
Hypothesis
A possible explanation for an observation that can be tested by scientific investigations.
Prediction
Is a statement of what will happen next in a sequence of events.
Scientific Theory
Is an explanation of observations or events that is based on knowledge gained from many observations and investigations.
Scientific Law
Is a rule that describes a repeatable pattern in nature.
Technology
Is the practical use of scientific knowledge, especially for industrial or commercial use.
Critical Thinking
Is comparing what you already know with the information.
Description
Is a spoken or written summary of observations.
Explanation
Is an interpretation of observations.
International System Of Units (SI)
The internationally accepted system of measurement is the International System Of Units (SI)
scientific notation
A method of writing or displaying very small or very large numbers in a short form.
Percent Error
Is the expression of error as a percentage of the accepted value
Variable
Is any factor that can have more then one value
Constant
are the factors in an experiment that do not change
Independent Variable
Is the factor you want to test. It is changed by the investigator to observe how it affects a dependent
Dependent Variable
Is the factor you observe or measure during an experiment
experimental Group
Is used to study how a change in the independent variable changes the dependent variable
Control Group
Contains the same factors as the experimental group, but the independent variable is not changed
Qualitative Data
Uses words to describe what is observed
Quantitative Data
Uses numbers to describe what is observed
