Peat and Permafrost

What is permafrost?

• ground that remains frozen for at least two years in a row

• A type of soil found in cold climates

• a type of rock found in cold climates

• a permanent layer of frost covering plants in the arctic circle

Tags

NGSS.MS-ESS2-2

What is permafrost made of?

• mix of sand and, gravel, and water

• mix of rock, soil, ice, and organic material

• mix of clay, minerals, and ice

• mix of grass, frost, and cold soil

Tags

NGSS.MS-ESS2-1

What is peat?

• thick layers of really old, partially decomposed organic matter

• soil with grass and other dead plants mixed in

• mixture of soil, dead grass, and feces

• a type of dried moss

What is "organic matter"?

• a type of non-chemical fertilizer

• a type of plant grown organically

• a type of matter made of once living things

• a type of matter safe for humans to eat

Tags

NGSS.MS-LS2-3

What is actually burning in the Arctic Circle Zombie Fires?

• Peat

• Permafrost

• Wood

• Oil

Tags

NGSS.MS-ESS2-2

What is the relationship between peat and permafrost?

• peat is one of the frozen layers making up permafrost

• over time, permafrost decays and turns into peat

• permafrost is one of the frozen layers found in peat

• peat turns into permafrost when left long enough

Tags

NGSS.HS-ESS2-6

How is peat formed?

• when partially decomposed organic matter accumulates in dense layers under water

• when sediment accumulates over time to form sedimentary layers

• when decaying plants accumulate in layers on the forest floor

• when volcanic ash accumulates on and covers once living plants

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

Global temperatures are rising and causing what change in the arctic circle?

• causing the permafrost to thaw

• increasing the amount of sea ice

• increasing the number of polar bears

• causing the amount of snowfall to increase

Tags

NGSS.MS-ESS3-5