Environmental Systems Unit 1
balances
measure mass
pH testers
measures how acidic or basic something is
"The pond had a sulfur-egg odor" is an example of _____ data.
qualitative
interdisciplinary
relating to two or more different areas of study or knowledge
screens
separate substance by size
Developing nations typically have a _____ ecological footprint than developed nations.
smaller
Environmental systems seeks to find ____ for the challenges facing earth.
solutions
Statistics
the collection and analysis of data
meniscus
the curve of the upper surface of a liquid when it is placed in a column
environment
the immediate surroundings of anything
distribution
the relative arrangement of the data of a statistical population around the mean of the population
environmental systems
the study and science of the earth and humans impact on it
test tubes
used to hold small amounts of a substance pose.
Erlenmeyer Flasks
used to store materials; good for heating them as well
The atmosphere is a(n) ____ system.
open
A closed system ___ interacts with other systems.
sometimes
A graph which is an upward curve shows ____
that most of the results are closer to the mean
ecological footprint
a calculation of the amount of land and other resources needed to support one person in one country
system
a group of connected things that work together to form a complex whole
developed nation
a nation that typically has higher average income, slow population growth, and many different types of economic activity
developing nation
a nation that typically has lower average income, high rate of population growth, and fewer types of economic activity
standard deviation
a statistical measure of how spread out the answers are from the mean
If the correlation coefficient, , is 0.82, the two variables are said to have ___ relationship.
a strong positive; 0.7 to 1 is strong
closed system is ______
a system that maintains itself on a limited amount of resources and does not exchange anything with other systems
open system
a system that receives input from and gives output to an outside environment
When measuring a liquid, read the measurement at the ___.
bottom of the meniscus
GPS has how many total orbiting satellites?
27
Systems thinking is ___.
circular
Most GPS receivers look for at least ___ satellites.
4
graduated cylinders
Accurately measures liquids
_____ nations typically have GREATER human population growth than that area's resources can support.
Developing
Environmental systems seeks to analyze the ____ facing earth systems.
Challenges
_____ nations typically use natural resources at a rate faster than those resources can be renewed.
Developed
Computer software that takes the data points from the GPS receivers and converts it to useful information is called ____.
GIS
pipettes
accurately measure and transfer small amounts from one container to another
The ___ revolution made large populations of humans possible.
agricultural
cost-benefit analysis
an analysis that weighs the cost of different solutions against the benefits that will result from those solutions
law of supply and demand
an economic principle that states: the more demand there is for something with a limited supply, the higher the price will be
ecological risk assessment (ERA)
an evaluation of how the environment might change if it is impacted in some way
representative sample
an unbiased sample that is a good depiction of the population as a whole
bias
anything that can cause an error in the interpretation of data
Finding out who funded the research helps to see if there is any ___ in the results.
bias
The history of environmental science progresses the same as the progression of human _____ throughout the ages.
civilizations
The earth is a(n) ____ system.
closed
The water cycle is a(n) ____ system.
closed
A good way to avoid bias when collecting samples is to ___.
collect a large sample number
Define quantitative data.
data that can be expressed in numbers
quantitative data
data that can be expressed in numbers
qualitative data
data that describes something we observe or have an opinion about
Define qualitative data.
describes something we observe or have an opinion about
Environmental systems seeks to understand how the ____ works.
earth
The industrial revolution marks the beginning of the massive use of _____ by societies for energy purposes.
fossil fuels
beakers
good for mixing and storing chemicals and other materials
accuracy
how close a measurement is to the actual or true value
Precision
how close numerous measured values are to each other
The ___ revolution is responsible for much of the pollution the earth experiences today.
industrial
The ___ revolution has created the ability to gather and store massive amounts of data and to share that data.
information-globalization
Triple beam balances are _____ accurate than electronic balances.
less
The study of environmental systems is important for the preservation of ___.
life
microscopes
magnify objects so the details can be better examined
