Environmental Systems Unit 1

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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


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