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Science - Vocabulary 3
Terms in this set (38)
A theory that has been tested many times without any contradictions.
A process of learning that starts with questions and proceeds by seeking the answers to the questions.
To figure something out from known facts using logical thinking.
Describes evidence that documents only what actually happened as exactly as possible.
Describes evidence that can be seen independently by others if they repeat the same experiment or observation in the same way.
A scientific explanation supported by much evidence collected over a long period of time.
A possible explanation that can be tested by comparison with scientific evidence.
A process of learning that begins with a hypothesis and proceeds to prove or change the hypothesis by comparing it with scientific evidence
A situation specifically set up to investigate relationships between variables.
A group of variables that are related in some way.
The variable you change in an experiment.
A factor that affects how an experiment.
A variable that is kept constant (the same) in an experiment.
Each time an experiment is tried.
The exact procedure that is followed each time an experiment is repeated. (By developing a good technique, you make sure your results accurately show the effects of changing your experimental variable!)
A collection of all the techniques you use to do an experiment.
The application of science to meet human needs and solve problems.
A professional who uses scientific knowledge to create or improve inventions that solve problems and meet needs.
A working model of a design that can be tested to see if it works.
A process used to build devices that solve technical problems.
What counts as scientific evidence?
Must accurately describe what happens in the real world...includes numbers, tables, graphs, words, pictures, sound recording or other information. (Opinions and feeling do not count as scientific evidence.)
What are the three tests that a theory must pass to be accepted?
1 - it must be supported by enough evidence.
2 - there cannot be a single piece of evidence that contradicts the theory
3- the theory must be unique because if two theories both fit the facts equally well, you cannot tell with is correct.
Scientific evidence must be ___ and ___.
Objective and repeatable
A ____ is a human attempt to describe a natural law.
Theories in science start out as _________.
A scientific hypotheses must be ________.
testable (that means is must be possible to collect evidence that proves whether the hypothesis is true or false.)
The ____ is the underlying logic of science. It is a careful and cautious way to build an evidence-based understanding of our natural world.
In an ideal experiment, only ___ variable is changed at a time.
A ____ is a good way of communicating the results of an experiment to others.
______ is the most important tradition of science. When scientists collect data, organize it, report it and write about their conclusions and results, they must be unbiased and honest in their communication!!!
A _____ is a periodical publication that contains the results and conclusions of many different experiments. It is very technical and must be reviewed by peers and accepted before being published.
Good science is always repeatable, durable, based on ____ and unbiased.
All technology arises from the perception that _____
there must be a better way to do this!!
A powerful new technology called magnetically levitated train technology is under development. It is based on ____ experiments with electromagnetism.
the standards of conduct that enable a person to determine what behavior is right or wrong in a given situation.
The main effect of unethical practices in medical research is the loss of _____.
___ is the word scientists use to describe a possible explanation of a scientific mystery. Theory is reserved for a single explanation supported by lots of evidence. Theories in science start out as hypothesis.
____ help us understand the "natural world". Technology is the application of science to meet human needs and solve problems.
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