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EOG Review. Water On Earth (Goals 3.01-3.03). Goal 3.01 The Properties of Water. ___1. Polarity ___2. Cohesion ___3. Surface tension ___4. Adhesion ___5. Capillary action ___6. Universal solvent ___7. High specific heat ___8. Density. Water molecules cling together

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eog review

EOG Review

Water On Earth

(Goals 3.01-3.03)

slide2
Goal 3.01

The Properties

of Water

properties of water
___1. Polarity

___2. Cohesion

___3. Surface tension

___4. Adhesion

___5. Capillary action

___6. Universal solvent

___7. High specific heat

___8. Density

Water molecules cling together

Requiring a lot of heat to cause an increase in temperature

Water molecules cling to other substances

Electrically charged

Tightness across the surface of water

Able to dissolve many substances

Determines if an object sinks or floats

Allows water to travel along other substances

Properties of Water
polarity
Polarity
  • Formula for Water: _____
  • Hydrogen atoms – _______ charge
  • Oxygen atom – _______charge
  • Opposites ________
cohesion adhesion
Cohesion & Adhesion

Cohesion/Surface tension:

Adhesion/Capillary action:

universal solvent
Universal Solvent

In the picture of someone making Kool-Aid, determine each of the following…

  • Solute -
  • Solvent -
  • Solution -

Why is water considered to be the universal solvent?

high specific heat
High Specific Heat

Specific heatis the amount of energy needed to raise the temperature of 1 kg of a substance by 1oC.

The specific heat of water is very high. Therefore, water takes a ________time to heat up or cool down.

Remember our “trip” to the beach….

  • Which gets hot faster – sand or water?
  • Which cools down faster – sand or water?
density
Density

Density = ??? / ???

How would you find mass?

How would you find volume of a liquid?

…of a solid?

Density of water = 1 g/mL

More than 1 g/mL… _____

Less than 1 g/mL… _____

Remember…liquid layers

slide9
Goal 3.02

Structure of the Hydrosphere

water underground
Water Underground

An __________is a rock layer that stores water and allows water to flow through it.

wetlands
Wetlands

Wetlands are land areas that remain wet for all or part of the year.

Benefits:

watersheds river basins
Watersheds (River Basins)
  • A ____________is an area of land where precipitation collects and then drains into a single collection place, lake an ocean or lake.
  • Allows water to ________from higher to lower elevations
slide16
Goal 3.03

Earth’s Oceans

deep ocean technology
Deep Ocean Technology

Remote Operated Vehicles (ROVs)

Piloted Vessels

Jason

ALVIN, Deep Flight

features of the ocean floor

- Exploring the Ocean

Features of the Ocean Floor

If you could travel along the ocean floor, you would see the continental shelf, the continental slope, the abyssal plain, and the mid-ocean ridge.

ocean zones conditions
Ocean Zones & Conditions

Ocean zones include the:

  • Intertidal zone –
  • Neritic zone –
  • Oceanic zone –
life in the ocean
Life in the Ocean

Scientists classify marine organisms according to where they live and how they move:

  • Plankton -
  • Nekton -
  • Benthos -
what is an estuary
What is an Estuary?
  • Estuaries are coastal inlets or bays where fresh water from rivers _______ with the salty ocean water.
  • Water that is partly salty and partly fresh is called brackish.
  • Coastal wetlands are found in and around estuaries.
upwelling
Upwelling

Upwelling is the movement of cold water upward from the deep ocean that is caused by wind.

  • Upwelling brings up _________________, ________, and other _________from the deeper layers of the water.
  • Without this motion, the surface waters of the open ocean would be _____________in nutrients.
hydrothermal vents
Hydrothermal Vents
  • Hydrothermal vents are cracks in the ocean crust that release mineral-rich water that has been heated by Earth’s interior.
  • _______(extremophiles) near the vents make food using chemicals in the vent water.
  • Tubeworms and clams use this bacteria for food.
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