Warm-up 10/4

Warm Up October 16, 2012- In a food web, what or where is a producer most likely located?

- A sample of uranium-235 is found with only 5% left. If it started at 80%, how many half lives has it gone through?Pumpkin, Day 7

Checking Homework

3The Water Cycle

Permeable vs ImpermeablePermeable is a substance that liquids can flow through.

Impermeable is a substance that liquids cannot flow through. Aquifer- An underground layer of permeable rock or sediment that contains water.Aquifer

GroundwaterWater that is held underground.

DivideA ridge, or continuous line of high land

Drainage Basin An area of land in which water drains into a stream system

Water TableThe top region of an area that is saturated with water

EutrophicationAn increase in the nutrients in a lake or pond.

IcebergMass of floating ice floating on the oceanWatershedA watershed is the area of land where all of the water that is under it or drains off of it goes into the same placeWatershedGive me that homework.

SolventA substance that does the dissolving.

SoluteA substance that is dissolved.

SolubilityThe ability of a substance to be dissolved.

EstuaryA shoreline area where fresh water from a river mixes with salt water from the ocean

Fresh water rivers run into salty coastal waters. Two big groups of life breed & feed in the tall grasses of our estuaries.

19When salt & fresh water mix, it is called brackish.

202 types of estuaries:Salt marshMangrove forest