Midterm Review
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Experiment
the step-by-step process of testing your hypothesis
Data
the information/results gathered while doing your experiment
Research
background information pertaining to your experiment from other sources
Question
the purpose of your experiment/what you are trying to find out
Conclusion
discussion, outcome of analysis of the results
Hypothesis
the prediction based on research. Always written as “If…Then…”
Independent Variable
what you are TESTING
Dependent Variable
what you are MEASURING
Control Group
used for COMPARISON. The independent variable is not applied
Constant Variable
other variables that must be kept THE SAME for all groups (experimental and control)
Line Graph
describes changes that occur in related variables. Used to show how a variable responds to changes in another
Bar Graph
uses scaled bar to show comparison between various measurements
Circle (pie) Graph
a divided circle where each “piece” represents a proportional fraction of the whole. Used to show how a part of something relates to the whole.
Placement of Variables on a Graph
Independent Variable always goes on the x-axis and the Dependent Variable always goes on the y-axis.
What are the 7 characteristics of Life?
Cellular organization Chemicals Use Energy Growth Development Respond to Surroundings Reproduction
What is spontaneous generation and why is it wrong?
Mistaken idea that living things come from non-living sources. Wrong because living things ONLY come from other LIVING things
What are the 4 things living things need to survive?
Food Water Living Space Stable Internal Condition
What does classify mean?
Place in groups based on similarities
What are the 8 levels of classification (Broadest to Most Specific)
Domain Kingdom Phylum Class Order Family Genus Species
Who was Linnaeus?
Developed a naming system that grouped organisms on the basis of their observable features
What is binomial nomenclature?
Name of an organism consisting of its Genus and Species
What is a taxonomic Key?
Consists of paired statements about the characteristics of different organisms
What are the 3 domains?
Bacteria Archaea Eukarya
What are the 4 kingdoms in the Domain Eukarya?
Protist Fungi Plantae Animal - all members are ONLY multicellular and heterotrophs