part of the planet where life exists
biosphere
scientific theory
grand scheme that relates and explains many observations
hypothesis
explanation that can be tested and disproved
system
set of components or parts that function as a whole together
oil
non renewable
balance of nature
natural system untouched by people. a steady state
facts that are not scientifically based and cannot be tested
pseudoscience
using 1 or more of our 5 senses to obtain information
observation
a cup of tea
open system
wind
renewable
ecosystem
minimum system that includes and sustains life
quantitative data
numerical data
stays the same through the experiment
controlled variable
closed system
resource cycled so slow it takes millions/ billions/ thousands of years to replace
non renewable
all organisms living in an area up to the biosphere
Biota
something that is known based on actual experience and observation
Fact
Dependent variable
depends on our independent variable
open system
allows exchange of mass/ energy to transfer in and out of system
resource that takes a short amount of time to replace
renewable
How long a unit of something of interest stays in a system
Average residence time
nonnumerical data
qualitative
manipulated in the experiment
independent variable
does not allow movement of mass/ energy in and out of the system
closed system
wooden chair
renewable