Earth Science Unit 1

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

GPS has how many total orbiting satellites?

27

Most GPS receivers look for at least ___ satellites.

4

representative sample

An unbiased sample that is a good depiction of the population as a whole is a(n) _______ sample.

Computer software that takes the data points from the GPS receivers and converts it to useful information is called ____.

GIS

bias

______ is anything that can cause error in the interpretation of data.

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

system

a group of connected thins hat work together to form a complex whole.

developed nation

a nation that typically has a higher average income, slow population growth, and many different types of economic activity

developed nation

a nation that typically has high average income, low rate of population growth, and many 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

developing nation

a nation that typically has lower average income, high rates of population growth, and fewer types of economic activity

standard deviation

a statistical measure of how far away each value is, on average, from the mean

standard deviation

a statistical measure of how spread out the answers are from the mean

If the coefficient factor r, is -0.8, the relationship between the two values is ___.

a strong negative

If the correlation coefficient, r , is 0.82, the two variables are said to have ___ relationship.

a strong positve

closed system

a system that maintains itself on a limited amount of resources and does not exchange anything with any other system

closed system

a system that maintains itself on a limited amount of resources and does not exchanged anything with any other

open system

a system that receives input from and gives output to an outside environment

open system

a system that receives input from and gives output to an outside environment.

______ is a term that states how close a measured value is to the actual or true value.

accuracy

pippette

accurately measure and transfer small amounts from one container to another

erlenmeyer flask

accurately measure liquids

graduated cylinder

accurately measures liquids

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

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

an evaluation of how the environment might change if impacted in some way

ecological risk assessment

an evaluation of how the environment might change if it is impacted in some way

What is 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

When measuring a liquid, read the measurement at the ___.

bottom of the meniscus

environmental systems seeks to analyze the ____ facing earth systems.

challenges

Systems thinking is ___.

circular

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

Define qualitative data.

describes something we observe or have an opinion about

qualitative data

describes something we observe or have an opinion about.

____ nations typically use natural resources at a rate faster than those resources can be renewed.

developed

_____ nations typically use natural resources at a rate faster than those resources can be renewed.

developed

___ nations typically have greater human population growth than that area's resources can support.

developing

_____ nations typically have greater human population growth than that area's resources can support.

developing

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 fuel?

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 measured value 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

interdisciplinary

involving two or more areas of knowledge

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.

pH testers

measure how acidic or basic something is

The curve of the upper surface of a liquid when it is placed in a column is a ____.

meniscus

The atmosphere is a(n) ____ system.

open

______ is a term that describes how close numerous measured values are to each other.

precision

"The pond had a sulfur-egg odor" is an example of _____ data.

qualitave

Data that can be expressed in numbers is called _____.

quantitative

an unbiased sample that is a good depiction of the population as a whole is a _____ sample.

representative

What is a representative sample?

scientific facts backing up the information

screens

separate substances by size

Developing nations typically have a _____ ecological footprint than developed nations.

smaller

environmental systems seeks to find ____ for the challenges facing earth.

solutions

A closed system ___ interacts with other systems.

sometimes

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

environment

the immediate surroundings of everything

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.

environmental systems

the study and science of the earth and humans' impact on it

balances

used to determine an object's mass

test tubes

used to hold small amounts of a substance pose.


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