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21 Cards in this Set
- Front
- Back
- 3rd side (hint)
Science
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Science is an organized way of gathering and analyzing evidence about the natural world
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What are you studying?
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Observation
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The act of noticing and describing a bitch or processes and careful orderly way
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Inference
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Is a logical interpretation based on what scientists already know
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Hypothesis
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Is a scientific explanation for a set of observations that can be tested in ways that support or reject it
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controlled experiment
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Whenever possible hypothesis should be tested by an experiment in which only one variable is changed all other variables should be kept unchanged or control this type of experiment is called control variable
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Independent variable
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the variable that is deliberately changed is called the independent variable
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Dependent variable
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The variable that is observed and that changes in response to the independent variable is called the dependent variable
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Control group
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Typically an experiment that is divided into control and experimental groups
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Data
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Scientists make detailed records of experimental observations gathering information call data
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Quantitive data
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Quantity status bar numbers obtained by counting or measuring
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Qualitative data
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Are descriptive and involve characteristics that cannot usually be counted
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Theory
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That ties those hypothesis together
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Bias
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Is it particular preference or point of view that is personal rather than scientific
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Biology
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Is the study of life
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DNA
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All organisms for the complex information they need to leave growing reproduce in a genetic code written in a molecule call dna
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stimulus
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Is a signal to which an organism respond
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Sexual reproduction
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And sexual reproduction cells from two parents unite to form the first cell of a new organism
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Asexual reproduction
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In which a single organism produces offspring identical to itself
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Homeostasis
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All organisms need to keep their internal environment relatively stable even when external conditions change dramatically this condition is called homeostasis
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Metabolism
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The combination of chemical reactions through which an organism builds up or breaks down material is called metabolism
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Biosphere
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All forms of life on Earth are connected to the biosphere which literally means living planet
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