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25 Cards in this Set
- Front
- Back
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what type of experiment is used in science?
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controlled experiment
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what does every scientific experiment need?
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independent and dependent variables
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what is science?
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it is based on the scientific method and the world around you
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what is tech.?
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practical application of science
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what is a possible solution?
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hypothesis
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what is any variation in an individual or group of organisms that makes it better able to cope with its enviornment
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adaptation
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what is a cell structure that performs a function
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tissue
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what tests hypothesis
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experiment
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what are personalities of scientists?
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curious and excited to learn about new things
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what do you look for if object is living?
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look for growth, developement, reproduction, metabolsim, and homeostasis or adaptation
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what are steps of scientific method?
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observation, state problem, gather info on problme, hypothesis, experiment, gather data, conclusion, revise hypothesis, and publish work
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what are levels of organization?
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atom, molecule, organelle, cell, tissue, organ, organ system, organism
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what do organelles do?
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carry out life functions
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what are 2 limitations of science?
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money, ethics, politics
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what is a law?
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description of repeated event in nature
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what is a theory?
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scientific explaination in which there is a high degree of confidance
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what is a hypothesis?
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possible solution to a problem based on all currently known facts
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what is needed in order to build new cell parts?
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organelles
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what is needed for an organism to continue living?
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growth, developement, reproduction, metabolism, homestasis, adaptation
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what is growth
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building up of matter in an organism
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what is developement
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changes that take place during an organisms life
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what is reproduction
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replacing the dying organisms with a population
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what is metabolism
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the chemical changes in an organisms life
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what is homeostasis?
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regulation of an organism's internal enviornment to maintain conditions suitable for life is known
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diff. between mulit- and uni- cellular
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uni- 1 cell (simple)
multi- many cells (complex) |
