Chapter Resources

1. Chapter Resources Click on one of the following icons to go to that resource. earth.msscience.com Image Bank Foldables Video Clips and Animations Chapter Summary Chapter Review Questions Standardized Test Practice

2. earth.msscience.com

3. Image Bank Click on individual thumbnail images to view larger versions.

4. Image Bank Transfer Images • 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.

5. Image Bank Table: Population Growth of Modern Humans

6. Image Bank Overflowing Storm Drain

7. Image Bank Application of Fertilizer

8. Image Bank Landfill

9. Image Bank Corn Crop

10. Image Bank No-Till Farming

11. Image Bank Contour Plowing

12. Image Bank Sheep Grazing

13. Image Bank Table: Forested Land by Region

14. Image Bank Deforestation

15. Image Bank Overflowing Stream

16. Image Bank Sanitary Landfill

17. Image Bank Hazardous Waste

18. Image Bank Metal Removal from Soil

19. Image Bank Natural Preserves

20. Image Bank Table: Yearly Consumption Per Person

21. Image Bank Raking Leaves

22. Image Bank Paper Waste

23. Image Bank Recycling

24. Foldables 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.

25. Foldables Fold a vertical sheet of paper from side to side. Make the front edge about 1.25 cm shorter than the back edge.

26. Foldables Turn lengthwise and fold into thirds.

27. Foldables Unfold and cutonly the top layer along both folds to make three tabs.

28. Foldables Label each tab as shown.

29. Foldables Identify Questions 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.

30. Video Clips Click image to view movie.

31. Video Clips Click image to view movie.

32. Video Clips

33. Reviewing Main Ideas 1 Population Impact on the Environment • Modern medicine, clean water, and better nutrition have contributed to the human population explosion on Earth. • Earth’s resources are limited. • Our daily activities use resources and produce waste.

34. Reviewing Main Ideas 2 Using Land • Land is used for farming, grazing livestock, lumber, development, and disposal. • Farming and development are ways that using land can impact the environment. • Using forest resources can impact organisms and Earth’s climate.

35. Reviewing Main Ideas 2 Using Land • Plants are sometimes used to break down and absorb pollutants from contaminated land. • New technologies have reduced greatly the need for hazardous waste disposal. • One way to preserve our land is to set aside natural areas.

36. Reviewing Main Ideas 3 Conserving Resources • Recycling, reducing, and reusing materials are important ways to conserve natural resources. • Reducing, reusing, and recycling has decreased the amount of trash deposited in landfills since 1980. • Different methods can be used to encourage recycling.

37. Chapter Review Chapter Review Question 1 A substance that contaminates the environment is a __________. A. compost B. development C. groundwater D. pollutant

38. Chapter Review Chapter Review Answer The answer is D. Part of conservation is reducing the amount of pollutants in the environment.

39. Chapter Review Chapter Review Question 2 Which of these is the largest number of individuals of a particular species that the environment can support? A. carrying capacity B. community C. habitat D. population

40. Chapter Review Chapter Review Answer The answer is A. Population size depends on the resources available.

41. Chapter Review Chapter Review Question 3 An area where garbage is deposited and covered with soil is a __________. A. hazardous waste site B. phytoremediator C. sanitary landfill D. recycling plant

42. Chapter Review Chapter 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.

43. Chapter Review Chapter Review Question 4 Substances that make chemical reactions go faster are ___________. A. compost B. enzymes C. hazardous D. nutrients

44. Chapter Review Chapter 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.

45. Chapter Review Chapter 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.

46. Standardized Test Practice Question 1 During what time period did human population increase the most?

47. Standardized Test Practice A. 1700-1800 B. 1800-1900 C. 1900-1960 D. 1960-2000

48. Standardized Test Practice Answer The answer is D. The population increased by over 3 billion during this time period.

49. Standardized Test Practice Question 2 What was the population in the year 1900 A.D.? A. 600 million B. 1 billion C. 1.6 billion D. 6.1 billion

50. Standardized Test Practice Answer The answer is C. The population had not yet grown to 2 billion.