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# Science_SOL 5.1, 4.1

### Scientific Investigation Vocabulary

TermDefinition
hypothesis An educated guess/prediction about what will happen based on what you already know and what you have already learned from your research.
inference A tentative explanation based on background knowledge and available data.
prediction A forecast about what may happen in some future situation, based on the application of factual information and principles and the recognition of trends and patterns.
experiment A fair test driven by a hypothesis.
conclusion A summary statement based on the results of an investigation. Scientific conclusions are based on verifiable observations.
dependent variable The factor in an experiment that changes as a result of the manipulation of the independent variable.
independent variable The factor in an experiment that is altered by the experimenter. It is purposely changed on manipulated.
constants the things that are purposefully kept the same throughout the experiment.
scientific prediction a forecast about what may happen in some future situation, based on the application of factual information and principles and the recognition of trends and patterns.
classification key an important tool used to help identify objects and organisms.
mass the amount of matter in an object.
volume the amount of space occupied by an object.
milliliter a unit of liquid volume.
length the distance between two points.
millimeter one-thousandth of a meter and 1/10 of a centimeter.
centimeter a unit of length in the metric system; one-hundredth of a meter, or about two-fifths of an inch, about the width of a large clip.
meter a unit for measuring metric length; is equal to about 1 yard.
kilometer a metric unit and is a little smaller than 1 mile.
temperature measure of how hot or cold something is.
degrees units of temperature.
Celsius metric unit for temperature
estimation method of making an educated guess at a measurement.
Created by: lisa_pugh