Human Impact on Earth

Which of these is one cause of deforestation?

• cutting down trees

• overbreeding of birds in the wild

• throwing toxic chemicals in the river.

• over fishing

Tags

NGSS.MS-ESS3-4

What is deforestation?

• Clearing Earth's forests on a massive scale

• Eating too much vegetables

• Going to a forest and pulling grasses

• Clearing the five trees in my backyard

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

T/F: Deforestation has an effect on the water cycle.

• True

• False

Tags

NGSS.MS-ESS2-4

T/F: Deforestation causes an increase in atmospheric carbon dioxide

• true

• false

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

What are the effects of deforestation ?

• animals and other organisms will lost their habitats

• increased green house gasses 

• soil erosion and flooding

• all of the above

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Does deforestation contribute to global warming?

• No, trees aren't that important

• Sometimes, because only the cutting down big trees contributes to global warming

• No, deforestation adds more oxygen to the atmosphere, which makes the Earth cooler

• Yes; less trees means less carbon dioxide (CO2) is turned into oxygen.

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

__________ happens when there are too many people living in an area.

• population

• overpopulation

• community

• A &B are correct

Tags

NGSS.MS-ESS3-4

What’s causing overpopulation?

• People are having lots of children.

• People are moving to big cities.

• People would like to be together

• All are correct.

Tags

NGSS.MS-ESS3-4

What are the effects of overpopulation?

• There's a lot of pollution in big cities.

• One cause is that people's life expectancy has increased.

• People will have plenty of resources

• People can buy more expensive cars.

Tags

NGSS.MS-ESS3-4

Smog is an example of ______________ pollution.

• land

• water

• air

• noise

Tags

NGSS.MS-ESS2-5