7th grade

7th grade you need to read Chapter 3 Section 1 over Population and read Chapter 3 Section 2 over Migration. After that you need to complete the Section 2 Assessment over Migration all parts of questions 1 and 2. This is all due Monday August 23rd.

Mr. Clark


Population
Chapter 3
Section 1
Population Distribution
• Population- total number of people
• Population Distribution- How a population is spread out in an area.
• Demography- The study of how populations change and why populations are unevenly distributed
• Population and Places
• Why people move
• Better life
• Forced
• Cannot meet families needs
• As long as needs can be met people tend to stay put. Areas with large populations tend to keep them.
• Population and History
• People lived where they could grow food, get water, farming climate, good soil, plenty of water
• New Population Clusters
• Transportation (RxR, steamships)
• Rise of Factory and office jobs
Population Density
• Population Density- the average number of people per square mile
• Population Distribution- total number of people in an area
Population Growth
• Birth rate- Total number of live births per 1000 people
• Death rate- Total number of deaths per 1000 people
• Population growth- Live births minus deaths.
• Reasons for Population Growth Today
• Death rates dropping and birth rates increasing
• Medical break through
• Green Revolution
• Crop protection
• Bigger yields per acre
• Less water needed
• Cleaner drinking water
• Better sanitation
• Challenges of Population Growth
• Big problem in Asia and Africa
• More people than food
• Not enough clean drinking water
• Money
• Environment
• Deforestation
• Loss of fertile soil