Human Impact

What is urbanization?

• when cities can't get enough water
• movement of population from rural areas to cities
• cities are often warmer than surrounding areas
• when topsoil is eroded away and nothing will grow

Tags

NGSS.MS-ESS3-4

What is deforestation?

• throwing someone out of a window
• selectively cutting trees for lumber, making sure the forest remains healthy
• allowing more animals to graze on the land than it can support
• cutting and removal of rainforest

Tags

NGSS.HS-LS2-6

NGSS.HS-LS2-7

What are some reasons deforestation occurs?

• clearing land for agriculture, ranching, and mining

• just wanting to destroy things

• Population moving from rural areas to cities

• to maximize sustainable use of natural resources

Tags

NGSS.MS-ESS3-4

What are some consequences of deforestation?

• increased population in cities

• weakens the shorelines of land on the coast

• soil erosion, loss of ability of trees to remove CO₂ from the atmosphere, loss of animal habitats

• more mercury and cyanide released into rivers

Tags

NGSS.HS-ESS2-2

NGSS.HS-ESS3-1

NGSS.HS-LS2-6

What is a negative impact of mining?

• Material left after ore is extracted can release toxic chemicals into the groundwater

• Mining can improve the air quality where miners work

• Quarries attract new species to the area

• Mining can decrease soil erosion

Tags

NGSS.MS-ESS3-3

What is one pro of urbanization?

• Decreasing the amount of pollution generated

• Creating jobs and access to modern technology

• Decreasing overcrowding in the countryside

• Feeding the worlds population

Tags

NGSS.HS-ETS1-1

Rotating crops

• conserves nutrients

• increases soil erosion

• is a cause for deforestation

• is the same thing as cover crops

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Peat and wood are obtained through

• digging

• mining

• harvesting

• drilling

Natural gas and oil are obtained through

• digging

• mining

• harvesting

• drilling

What is a con of oil?

• Non-renewable

• It is cheap

• It is reliable

• It encourages economic growth

Tags

NGSS.HS-ESS3-2