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science chapter 1

TermDefinition
science process of gathering knowledge about the world by making observations and by asking questions
physical science study of matter and energy
matter what everything is made out of
energy ability to do work
chemistry study of all forms of matter including how matter interacts with other matter
physics it looks at energy and the way energy effects matter and different forms of energy
Meteorology study of the earths atmosphere
Geology Study of the origin, history and structure of the earth
Scientific Method Hypothesis, Test Hypothesis, Variable, Data, Analyse Results, Drawing Conclusion
Hypothesis Explanation on research that can be tested
Test Hypothesis Controlled experiment compares the results from a control group with an experimental group
Variable Groups are the same except for this factor
Data Information acquired from observation or experimentation
Analyze Results Data support Hypothesis; Does your data from your test support the hypothesis?
Drawing Conclusion Does it support your hypothesis?
Model Patter, plan, representation or description designed to show a structure or working of a project
3 Kinds of Models Physical, Mathematical, Conceptual
Physical See
Mathematical Equations and Data
Conceptual System of ideas which you can compare to things to illustrate ideas
Theory Explains an observation but can also predict what might happen in the future
Law Summary of many results and observations; Tells how things work but, not why
Tools Anything that helps you do a task
SI Units (S) Standard (I) International
S Standard
I International
Length Meter (m)
Mass Kilogram (kg)
Volume Liter (l); Length x with x height
Desity Ratio of the mass of a substance to the volume of a substance; kg / l
Temperature Measure of hot or cold and measure of the average energy of the particals (Kelvin = K)
Created by: laurenwvu
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