KEY EcologicalPyramidsWorksheet 2013 PDF
Power Of Pyramids Worksheet. To help project population numbers for different countries, demographers look at the profile of the countries’ residents. • describe the three general shapes of population pyramids and their meanings.
Web power of the pyramids concept the age and sex distribution of a regional or national population affects its growth rate. • construct a population pyramid for one of six different countries. What are the ages of the people? • calculate percentages using raw numbers. Objectives students will be able to: To help project population numbers for different countries, demographers look at the profile of the countries’ residents. • make correlations between the shape of a. 1.display the sample world population pyramid on the next page and explain that this is a kind of graph. • describe the three general shapes of population pyramids and their meanings. Web student worksheets (one per student) graph paper colored pencils ruler calculator (optional) procedure:
• construct a population pyramid for one of six different countries. To help project population numbers for different countries, demographers look at the profile of the countries’ residents. • calculate percentages using raw numbers. Web power of the pyramids introduction: 1.display the sample world population pyramid on the next page and explain that this is a kind of graph. Students construct and interpret population pyramids and discuss differences in population growth rates among several different countries. • construct a population pyramid for one of six different countries. • describe the three general shapes of population pyramids and their meanings. Web power of the pyramids student activity method: Web power of the pyramids concept the age and sex distribution of a regional or national population affects its growth rate. Web students will be able to: