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science ch. 1 vocab

theory explanation of things or events that is based on knowledge gained from many observation and experiments.
science way of learning more about the natural world that provides possible explanation to question and involves using a collection of skills
scientific theory a possible explanations to questions and involves using a collection of skills.
scientific law a rule that describes a pattern in nature but does not try to explain why something happens
system collection structures,cycles,and processes that relate toand interact with each other
life science study of living systems and how they interact
earth science study of Earth systems and systems in space,including weather and climate systems,and the study of nonliving things such as rocks,oceans,and planets
physical science study of matter,which is anything that takes up space and has mass, and the study of energy,which is the ability to cause change.
technology use the science to help people in some way
observation a record or description of an occurrence or pattern in nature
hypothesis reasonable guess that can be tested and is based on what is known and what is observed
infer to draw a conclusion based on an observation
controlled experiment involves changing one factor and observing its effects on one thing while keeping all other things constant
variable factor that can be changed in a experiment
independent variable variable that is changed in an experiment
dependent variable variable that changes as a result of a change in the independent variable
constant variable that is not changed in an experiment
scientific method processes scientists use to collect information and answer question
model any representation of an object or an event that is used as a tool for understanding the natural world can communicate observations and ideas test predictions and save time,money,and lives
prediction an educated guess as to what is going tom happen based on observation
critical thinking involves using knowledge and thinking skills to evaluate evidence and explanations
data information gathered durin gan investigation;recorded in the form of descriptions,tables,graphs,or drawings
Created by: Isabella_gogna