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43 Cards in this Set

  • Front
  • Back
the process of gathering knowledge about the natural world
science
Space and Earth Science
Life Science
Physical Science
3 branches of science
study of all living things
Life Science
study of matter and energy
Physical Science
the "stuff" everything is made of
matter
the ability to do work
energy
study of all forms of matter, including how matter interacts with other matter
Chemistry
looks mostly at different forms of energy and the way that energy affects matter
Physics
affects all the other branches
Physical Science
ways to solve problems
Scietific Method
educated guess based on something you alredy know
predicton
an use of your senses to gather information. Take these immediatly and accurate
observation
the application of science for practical purposes
technology
tests one variable at a time and keeps all the rest the same
controlled experiment
any of the factors you can test for
variable
the one you change
independent variable
the one that changes as a result of your independent variable
dependent variable
all the variables that stay the same
constants
pieces of information acquired through observation or experimentation
data
rewrite the data and draw conclusions- infer
Analysis and Conclusion
a representation of an object or system that helps you understand
model
Physical
Mathmatical
Conceptual
3 types of models
looks like what they represent
physical model
made of equations and data
mathmatical model
ideas or comparisons with familiar things
conceptual
an explanation for several hypotheses and observations and has been supported by testing
theory
a summary of many experiments and observations over a long period of time
law
what we refer to for the metric system
SI
the basic SI unit of length is
meter (m)
the amount of matter that something is made of
mass
the amount of space that something occupies
volume
the volume of liquids is given in
liters (L)
the volume of solids is usually given in
cubic meters (m3)
the arch in liquids caused by surface tension
meniscus
the amount of matter in a given volume
density
density= mass
------
volume
equation for calulating density
a measure of how hot or cold something is
temperature
the SI units for temperature are
celcius and kelvin
.001
milli
.01
centi
1,000
kilo
can be expressed as grams per mL or grams per m3
density
grams (g), kilograms (kg), milligrams (mg)
mass