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Laboratory Skills
Living Environment Vocabulary for Laboratory Skills Unit
34
Biology
10th Grade
05/14/2011

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Term
Evidence
Definition
Support for the idea that something is true
Term
Observations
Definition
Things or events that are made using any of the senses or tools
Term
Inference
Definition
Conclusions or deductions based on observation
Term
Assumption
Definition
The belief that something is true
Term
Opinion
Definition
An ideas a person has that may or may not have basis in fact
Term
Biased
Definition
To be influenced by an assumption that may or may not be correct
Term
Scientific Literacy
Definition
Applying critical thinking to everyday life, particularly to claims related to health, technology, and advertising
Term
Research Plan
Definition
Includes finding background information, developing a hypothesis, and devising an experimental process for testing a hypothesis
Term
Hypothesis
Definition
Attempts to explains what has been observed in a way that can be tested
Term
Experiment
Definition
A series of trials or tests that are done to support or disprove a hypothesis
Term
Dependent Variable
Definition
What will be measured
Term
Independent Variable
Definition
Factors that might influence the dependent variable
Term
Control
Definition
An established reference point used as a standard of comparison
Term
Controlled Experiment
Definition
The possible variables have been carefully considered and regulated so the results are due only to the independent variable you are testing
Term
Data
Definition
The results of trials or tests, completed during experiments
Term
Conclusion
Definition
A decision about the outcome
Term
Peer review
Definition
When several scientists examine the details of an experiment
Term
Metric Ruler
Definition
used to determine the length of an object
Term
Graduated Cylinder
Definition
Used to measure an objects volume
Term
Volume
Definition
The space an object occupies
Term
Mass
Definition
The quantity of matter in something
Term
Balance
Definition
A tool used by comparing an object of unknown mass with an object of known mass
Term
Triple-Beam Balance
Definition
A single pan and three bars (beams) that are calibrated in grams
Term
Electronic Balance
Definition
Measures mass automatically
Term
Microscope
Definition
A tool that uses lens or a combination of lenses to make an object easier to see
Term
Magnification
Definition
The ability of a microscope to make an object appear larger
Term
Stereoscope
Definition
Has two ocular eyepiece lenses, one for each eye, and one or more objectives
Term
Compound Light Microscope
Definition
Has one ocular lens, at least one objective lens, and a light source
Term
Electrophoresis
Definition
Allows scientists to separate mixtures of large molecules according to size
Term
Chromatography
Definition
A technique for separating mixtures of molecules, like gel electrophoresis
Term
Stains
Definition
Can be used to make cell structures more visible
Term
Indicator
Definition
A substance that changes color when it contacts certain chemicals
Term
Dichotomous Key
Definition
Used to sort, name, and/or classify a particular organism. By working through a series of steps organisms are eliminated until the one of interest is finally identified
Term
Dissection
Definition
The examination of preserved speciments
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