science
the study of the natural world
what is science
a description of a specific relationship under given conditions in the natural world
a scientific law
an organized procedure to study something under controlled conditions
an experiment
1st step
defining a problem; asking a question
what are two ways scientific investigations and be tested
repetition and replication
the study of living things
biology
an attempt to explain how things happen and is a well-supported explanation of nature
scientific theory
is the process of obtaining information by using senses
observation
2nd and 3rd steps
forming a hypothesis; planning an investigation
how do scientific ideas change 3
new evidence, collaborations and debates
the study of earth, what its made of and the processes that shape it
geology
is all the measurements and data scientist gather in support of a scientific explanation
empirical evidence
a testable idea or explanation that leads to a scientific explanation
hypothesis
4th step
identifying variables
what are the requirements of a hypothesis
a problem, variables, and a testable solution
the study of nonliving matter and energy
what is physical science
gathering empirical evidence outdoors or where conditions cannot be controlled
fieldwork
something testable; the factor that is deliberately manipulated in an investigation; X
independent variable
5th and 6th steps
collecting and organizing data; interpreting and analyzing data
is the results obtained from an experiment
data
________ is an explanation supported by a large amount of evidence and most scientist tend to agree on the best explanations based on what we know
what is scientific theory
a place where scientist can do experiments and collect evidence in a controlled setting
laboratory
outcome variable; the factor that changes as a result of a manipulation; Y
dependent variable
7th step
drawing and defending conclusions
scientific investigations can take place in two settings
field and lab