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Warm-Up

Update Table of Contents

File your science test and vocabulary quiz in your folder

Date Session#

Activity Page#

10/15 19 Notes – (write what’s in green) 33

Poor Man’s Gatorade 34

Test Tomorrow: Big Reminders

Bring calculators – TI 89 & TI 98 NOT allowed

Bring a lunch

We will have to stay quiet until 2:05 when everyone is done

No phones/electronic devices/NO HIGHLIGHTERS

Test is timed – no extra time is given – must go in order

Seated alphabetically – 3 feet apart – 25 students only

Why Isn’t Water Always

Enough?What does our body really need?

Big Idea: Water is important on Earth, but it is even more

important in your body!

WARM-UP: Answer on page 33 of your notebook !

What does the average person’s body need to carry out all of it’s normal everyday functions?

What does an athlete’s body need to function at a higher performing level?

Every cell in our body is about 2/3 water…water that we need to survive.

What happens as we start to lose some of this water?

Dehydration

Excessive loss of the body’s water.

Dehydration

What really happens when we sweat?

What has been lost that our body needs?

Dehydration

Does water meet all of our needs to replenish what has been lost?

What do sports drinks like Gatorade have to offer that water does not?

Electrolytes

As for your body, the major electrolytes are as follows:

sodium (Na+)

potassium (K+)

chloride (Cl-)

calcium (Ca2+)

magnesium (Mg2+)

bicarbonate (HCO3

-)

phosphate (PO42-)

sulfate (SO42-)

Compounds in the blood that conduct electricity, and are essential for health.

“The Legend of Gatorade”

http://www.youtube.com/watch?v=hpCSvV70SCY

What’s the Real Difference?

• Examine the nutrition label on both the bottle of water, and the bottle of Gatorade.

• Compare & Contrast the contents.

Water Vs. Gatorade

WATER GATORADE

Rehydration: The Epic Battle Between Water

and Gatorade

Situations in which water is enough to replenish your body…

VS.

Situations in which water just isn’t enough…

BIG IDEA:

Dehydration doesn’t only affect athletes, it is a life or death situation in many countries.

Link this idea back to water availability and water sustainability!

Real World Extension

“The Poor Man’s Gatorade Article & Lab”

Classwork: “Save the World One Sip at a

Time”If you were a doctor with the World Health Organization and you knew that Poor Man’s Gatorade was a life saving solution to dehydration how would you get the whole world on board to help?

OPTIONS:

- Create a one page advertisement that you would give to inform and influence others to help this global problem

-- Create a proposal/plan that you would like the government to follow in order to help other countries overcome this global problem