Term |
Definition |
Scientific Inquiry |
the diverse ways in which scientists study the natural world and propose explanations based on the evidence they gather |
Hypothesis |
a possible explanation for a set of observations or answer to a scientific question. |
Variables |
factors that can change in an experiment |
Controlled experiment |
An experiment in which only one variable is manipulated at a time |
Independent or Manipulated Variable |
one variable that is purposely changed to test a hypothesis |
Dependent or Responding Variable |
The factor that may change in response to the manipulated variables |
Operational Definition |
a statement that describes how to measure a particular variable or define a particular term |
Data |
the facts, figures, and other evidence gathered through observations |
Communicating |
sharing of ideas and experimental findings with others through writing and speaking |
scientific theory |
a well-tested explanation for a wide range of observations or experimental results |
scientific law |
a statement that describes what scientists expect to happen every time under a particular set of conditions |
scientific literacy |
understanding basic scientific terms and principles well enough that you can evaluate information, make personal decisions, and take part in public affairs. |
Metric system |
system of measurement based on the number 10. |
SI |
Modern scientists use a version of the metric system called the International System of Units |
meter |
The basic unit of length in the SI system |
Kilogram |
The basic unit of mass in the SI system |
Liter |
The basic unit of volume in the SI system |
Second |
The basic unit of time in the SI system |
Weight |
measure of the force of gravity acting on an object |
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