Post on 30-Dec-2015
description
To return to the chapter summary click Escape or close this document.
Chapter ResourcesChapter Resources
Click on one of the following icons to go to that resource.
earth.msscience.com
Image Bank
Foldables
Video Clips and Animations
Standardized Test Practice
Chapter Review Questions
Chapter Summary
To return to the chapter summary click Escape or close this document.
earth.msscience.com
To return to the chapter summary click Escape or close this document.
Click on individual thumbnail images to view larger versions.
Image BankImage Bank
To return to the chapter summary click Escape or close this document.
Image BankImage Bank
To transfer images to your own power point follow the following steps:
• Open the “Resource” file from the CD-ROM disc – view the file in the “normal view” or “slide sorter view” mode - go to slide #2 – from there you can click through the images and follow these instructions. Click once on the image.
• Copy the image
• Go to your own power point document
• Paste the image.
Transfer Images
To return to the chapter summary click Escape or close this document.
Image BankImage Bank
Table: Population Growth of Modern Humans
To return to the chapter summary click Escape or close this document.
Image BankImage Bank
Overflowing Storm Drain
To return to the chapter summary click Escape or close this document.
Image BankImage Bank
Application of Fertilizer
To return to the chapter summary click Escape or close this document.
Image BankImage Bank
Landfill
To return to the chapter summary click Escape or close this document.
Image BankImage Bank
Corn Crop
To return to the chapter summary click Escape or close this document.
Image BankImage Bank
No-Till Farming
To return to the chapter summary click Escape or close this document.
Image BankImage Bank
Contour Plowing
To return to the chapter summary click Escape or close this document.
Image BankImage Bank
Sheep Grazing
To return to the chapter summary click Escape or close this document.
Image BankImage Bank
Table: Forested Land by Region
To return to the chapter summary click Escape or close this document.
Image BankImage Bank
Deforestation
To return to the chapter summary click Escape or close this document.
Image BankImage Bank
Overflowing Stream
To return to the chapter summary click Escape or close this document.
Image BankImage Bank
Sanitary Landfill
To return to the chapter summary click Escape or close this document.
Image BankImage Bank
Hazardous Waste
To return to the chapter summary click Escape or close this document.
Image BankImage Bank
Metal Removal from
Soil
To return to the chapter summary click Escape or close this document.
Image BankImage Bank
Natural Preserves
To return to the chapter summary click Escape or close this document.
Image BankImage Bank
Table: Yearly Consumption
Per Person
To return to the chapter summary click Escape or close this document.
Image BankImage Bank
Raking Leaves
To return to the chapter summary click Escape or close this document.
Image BankImage Bank
Paper Waste
To return to the chapter summary click Escape or close this document.
Image BankImage Bank
Recycling
To return to the chapter summary click Escape or close this document.
FoldablesFoldables
How Human Activities Impact Land
Make the following Foldable to help identify what you know, what you want to know, and what you learned about how humans impact land.
To return to the chapter summary click Escape or close this document.
FoldablesFoldables
Fold a vertical sheet of paper from side to side. Make the front edge about 1.25 cm shorter than the back edge.
To return to the chapter summary click Escape or close this document.
FoldablesFoldables
Turn lengthwise and fold into thirds.
To return to the chapter summary click Escape or close this document.
FoldablesFoldables
Unfold and cut only the top layer along both folds to make three tabs.
To return to the chapter summary click Escape or close this document.
FoldablesFoldables
Label each tab as shown.
To return to the chapter summary click Escape or close this document.
FoldablesFoldables
Before you read the chapter, write what you already know about the impact of human activities on land under the left tab of your Foldable, and write questions about what you’d like to know under the center tab. As you read the chapter, list what you learned under the right tab.
Identify Questions
To return to the chapter summary click Escape or close this document.
Video ClipsVideo Clips
Click image to view movie.
To return to the chapter summary click Escape or close this document.
Video ClipsVideo Clips
Click image to view movie.
To return to the chapter summary click Escape or close this document.
Video ClipsVideo Clips
To return to the chapter summary click Escape or close this document.
11Reviewing Main IdeasReviewing Main Ideas
• Modern medicine, clean water, and better nutrition have contributed to the human population explosion on Earth.
Population Impact on the Environment
• Earth’s resources are limited.
• Our daily activities use resources and produce waste.
To return to the chapter summary click Escape or close this document.
22Reviewing Main IdeasReviewing Main Ideas
• Land is used for farming, grazing livestock, lumber, development, and disposal.
Using Land
• Farming and development are ways that using land can impact the environment.
• Using forest resources can impact organisms and Earth’s climate.
To return to the chapter summary click Escape or close this document.
22Reviewing Main IdeasReviewing Main Ideas
• Plants are sometimes used to break down and absorb pollutants from contaminated land.
Using Land
• New technologies have reduced greatly the need for hazardous waste disposal.
• One way to preserve our land is to set aside natural areas.
To return to the chapter summary click Escape or close this document.
33Reviewing Main IdeasReviewing Main Ideas
• Recycling, reducing, and reusing materials are important ways to conserve natural resources.
Conserving Resources
• Reducing, reusing, and recycling has decreased the amount of trash deposited in landfills since 1980.
• Different methods can be used to encourage recycling.
To return to the chapter summary click Escape or close this document.
Chapter ReviewChapter ReviewChapter ReviewChapter Review
Question 1
A substance that contaminates the environment is a __________.
A. compostB. developmentC. groundwaterD. pollutant
To return to the chapter summary click Escape or close this document.
Chapter ReviewChapter ReviewChapter ReviewChapter Review
Answer
The answer is D. Part of conservation is reducing the amount of pollutants in the environment.
To return to the chapter summary click Escape or close this document.
Chapter ReviewChapter ReviewChapter ReviewChapter Review
Question 2
Which of these is the largest number of individuals of a particular species that the environment can support?
A. carrying capacityB. communityC. habitatD. population
To return to the chapter summary click Escape or close this document.
Chapter ReviewChapter ReviewChapter ReviewChapter Review
Answer
The answer is A. Population size depends on the resources available.
To return to the chapter summary click Escape or close this document.
Chapter ReviewChapter ReviewChapter ReviewChapter Review
Question 3
An area where garbage is deposited and covered with soil is a __________.
A. hazardous waste siteB. phytoremediatorC. sanitary landfillD. recycling plant
To return to the chapter summary click Escape or close this document.
Chapter ReviewChapter ReviewChapter ReviewChapter Review
Answer
The answer is C. Sanitary landfills are designed to prevent the deposited garbage from blowing away, as well as prevent liquid waste from entering groundwater.
To return to the chapter summary click Escape or close this document.
Chapter ReviewChapter ReviewChapter ReviewChapter Review
Question 4
Substances that make chemical reactions go faster are ___________.
A. compostB. enzymesC. hazardousD. nutrients
To return to the chapter summary click Escape or close this document.
Chapter ReviewChapter ReviewChapter ReviewChapter Review
Answer
The answer is B. Some plant roots release enzymes into the soil and increase the rate at which organic pollutants are broken down.
To return to the chapter summary click Escape or close this document.
Chapter ReviewChapter ReviewChapter ReviewChapter Review
Question 5
What is a natural preserve?
Answer
Natural preserves are areas of land set aside in the form of national parks, forestlands, and grasslands.
To return to the chapter summary click Escape or close this document.
Standardized Test PracticeStandardized Test Practice
Question 1During what time period did human population increase the most?
To return to the chapter summary click Escape or close this document.
Standardized Test PracticeStandardized Test Practice
A. 1700-1800B. 1800-1900C. 1900-1960D. 1960-2000
To return to the chapter summary click Escape or close this document.
Standardized Test PracticeStandardized Test Practice
Answer
The answer is D. The population increased by over 3 billion during this time period.
To return to the chapter summary click Escape or close this document.
Standardized Test PracticeStandardized Test Practice
Question 2
What was the population in the year 1900 A.D.?
A. 600 millionB. 1 billionC. 1.6 billionD. 6.1 billion
To return to the chapter summary click Escape or close this document.
Standardized Test PracticeStandardized Test Practice
Answer
The answer is C. The population had not yet grown to 2 billion.
To return to the chapter summary click Escape or close this document.
Standardized Test PracticeStandardized Test Practice
Question 3
Which of the following has the least forested land?
A. AfricaB. AsiaC. AustraliaD. Europe
To return to the chapter summary click Escape or close this document.
Standardized Test PracticeStandardized Test Practice
Answer
The answer is C. Australia does not appear on the graph showing the distribution of the world’s forests.
To return to the chapter summary click Escape or close this document.
Standardized Test PracticeStandardized Test Practice
Question 4The two areas having the largest percentages of Earth’s forested lands account for how much of the total?
A. 27.5%B. 30.4%C. 32.3%D. 54.5%
To return to the chapter summary click Escape or close this document.
Standardized Test PracticeStandardized Test Practice
AnswerThe answer is D. Latin America and Europe combined have 54.5% of Earth’s forested land.
To return to the chapter summary click Escape or close this document.
Standardized Test PracticeStandardized Test Practice
Question 5What process does the diagram illustrate?
A. compostingB. deforestationC. phytoremediationD. recycling
To return to the chapter summary click Escape or close this document.
Standardized Test PracticeStandardized Test Practice
AnswerThe answer is C. During phytoremediation, roots of plants absorb contaminants from soil.
To return to the chapter summary click Escape or close this document.
To advance to the next item or next page click on any of the following keys: mouse, space bar, enter, down or forward arrow.
Click on this icon to return to the table of contents
Click on this icon to return to the previous slide
Click on this icon to move to the next slide
Click on this icon to open the resources file.
HelpHelp
Click on this icon to go to the end of the presentation.
To return to the chapter summary click Escape or close this document.
End of Chapter Resources File