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21 Cards in this Set

  • Front
  • Back
Scientific explanations
Provides a description of how a process in nature occurs
Scientific theory
We'll supported explanation of nature
Empirical evidence
It includes all the data that people gather and test to support and evaluate scientific explanations
Boyle's laws
At a constant temperature, as the pressure on a gas increases, it's volume decreases
Kinetic theory of gas
Describes a gas as being composed of quickly moving particles
Independent variable
The factor that is deliberately manipulated
Dependent variable
Changes as a result of manipulation of one or more independent variables
Describe what type of work these scientists do
Scientists study everything from the deepest part of the ocean to the objects in outer space
Chemist
Chemistry often is included under physical science, because it also is the study of non living matter
Biologist
Biology is the study of living things. Biologists study everything from the tiniest organisms to human beings
Physicist
Physical science is the study of non living matter and energy
Geologist
Geology is the study of the earth; what it's made of and the process that shapes it
Scientific law
Description of a specific relationship under given conditions in the natural world
Scientific theory
Well- supported explanation of nature
How they are alike
Theories help us understand the laws we observe
Fieldwork
Gives scientists the opportunity to collect data in an original setting
Lab work
Scientists have the opportunity to collect data in a controlled environment
Steps
•defining a problem
•forming a hypothesis and making predictions
•planning an investigation
•identifying variables
•collecting and organizing data
•interpreting data and analyzing information
•drawing and defending conclusions
Description
•after making observations or reading
•forming an hypothesis, are making an educated guess
•decide whether to be in field work or laboratory
•identify other variable to be controlled
•must be recorded and properly organized
•analyze the information
•investigate the hypothesis
Atomic theory
The current theory shows atoms as having smaller parts when the old theory described atoms as tiny, marble like spheres which is incorrect
Original idea+new idea=modified idea
Original idea+new idea=modified idea