1.A Sources and Uses of Water

Do Now

1. Where does water come from in your community? (Source?)

2. Is the water from the tap, filters, or bottles considered pure?

3. What is the criteria for pure water?

Do Now

What do you consider “facts”?

What about “opinions”?

Where would you go to read about facts?

Where would you go to read about opinions?

Objectives

1. SWBAT pair up with a partner and reread through the fish kill article.

2. SWBAT distinguish between facts and opinions in a news article.

3. SWBAT discuss the uses of water.

Town in Crisis

Take turns reading about Riverwood’s water crisis

Turn to page 4 of your textbook

Think-Pair-Share

Go back through the reading and differentiate between fact and opinion.

Town in Crisis

Can we get enough water to supply our needs?

Can we get sufficiently pure water?

Water, Water, Everywhere…

It takes approximately 120 L of water to produce a 1.3L can of juice.

It takes 450 L of water to place a fried egg on your plate.

Explain this….

Water, Water, Everywhere

Juice Production:

Water, Water, Everywhere

Egg Production:

Comparison

To make the 1.3L juice can takes as much water as:10 showersWashing 10 loads of clothes25 loads of dishesFlushing the toilet 100 times

A.4 – Water Supply and DemandA.4 – Water Supply and Demand

The average U.S. family of four ( 2 adults and 2 children) use an average of 1480 liters (390 gallons) of water daily

12

Why is the quantity of water used to make a a can of juice greater than the actual volume of liquid in the can?

Do Now - Lab

What are the different ways to purify drinking water?

Do Now Lab- 2

1. Substances in the oil water separation are separated based on _________.

2. Substances in the sand filtration are separated based on _________.

3. Substances in the charcoal separation are separated based on _________.

Objectives

SWBAT purify water using charcoal filtration.

SWAT discuss the Tyndall Effect and electrical conductivity test

SWBAT construct a histogram of class data

Today’s Agenda

VideoFilter water again, Tyndall Effect, and

electrical conductivity test.Histogram

Histogram

Needs a titleNeeds labels on X, Y axisNeeds to be accurate

Do Now

Explain the different uses of water to create a cup of coffee in the morning.

Objectives

SWBAT identify water use as either direct or indirect.

SWBAT review answers to last night’s homework.

SWBAT analyze water use in the US.

Direct vs. Indirect Water Uses

Direct Water UseWater that can be directly measured

Indirect Water UseWater that you don’t usually consider using

Classify the following example as direct and indirect uses of water

Making a cake…

Page. 23 # 1-3

Page 23 #4-7

Go Over Answers as a class

1.6 Where is the World’s Water?

Scan in pics

United States Water Use

Of all the water used in the US:51% is used in industrial section40% is used in agriculture9% is used in Municipal Sector

Questions # 1-3 on pg. 17

A.6 Where is the world’s water?

What forms of water are depicted?

How large is this glacier compared to the people?

Even though much water is stored here is it accessible?

Could the U.S. obtain drinking water from here?

States of Water

Gaseous State:Water Vapor

Liquid State:Water, lakes, rivers, oceans, clouds, and

rainSolid State:

Ice

Do Now

List an example of each state of water.

Explain where your would find each example.

Objectives

SWBAT draw the steps to the hydrologic cycle

SWBAT define aquifer, ground water, and surface water

SWBAT explain where water comes from

Where is the world’s largest supply of fresh water?

Most of the Earth’s total water is from the ocean (about 97%)

The remaining 3% is fresh water and it is stored in glaciers

Distribution of World’s Water Supply

Hydrologic Water Cycle

http://polaris.umuc.edu/cvu/envm/hydro/hydro.html

Let’s Draw Out the Step.

1. Get some colored pencils.2. Take out a clean piece of paper3. Listen and Draw

3 Facts about the hydrologic water cycle:

Think-Pair-Share

Surface Water Ground Water Aquifers

Similarities Among All Three

City Water

Comes from pipes?Water comes from a reservoir or water

towerWater has been treated and purifiedIf the water originated from a river it is

called SURFACE WATERIf the water has originated from a well

you are using GROUND WATER (well)

Rural Water

Aquifer – (a water-bearing layer of rock, sand or gravel)

Where else can water come from in rural areas?

Let’s review the answers to questions: 8-10 on pg. 23

Review for Test:

Distillation:Can be used to purify drinking waterVery expensive

Gray Water:Water that cannot be used for drinking,

bathing, or cooking

Do Now

How do you think you could cut down on water consumption at home?

List at least 3 ways.

Objectives

SWBAT review answers to the foul water lab.

SWBAT analyze previously collected data about household water usage and compare it class and national averages

Do Now

Compare and contrast an aquifer and ground water.

Objectives

SWBAT brainstorm how they can use simple objects to purify water

SWBAT multiple choice questions and short answer to help review for their test.

Think-Pair-Share

To help review for the test turn to page 24 and answer question 18~!