Intro to Texas Aquatic Science

What is Aquatic Science?

We will discuss all living organisms that rely on water for their habitat and life

​The Study of Life in Water

We will discover the properties of water and it's ability to influence our lives

The Study of Water

Aquatic Science

We will research careers involving the study of water and aquatic sciences, both freshwater and marine (brackish/salt)

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Careers in Aquatic Sciences

Open Ended

Name a career that would involve learning about aquatic sciences?

-Choose a career that interests you in Aquatics
-Include classes, certificates, licenses, degrees needed for this career
-Include the salary
-Include a job description
-Where in the US (or world) would you perform this job?
-Include pictures and your info (above) on the poster

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Aquatic Sciences Career Poster

Water Properties

• H20 (2 hydrogens and 1 oxygen)

• Polar molecule

• Universal solvent

• Neutral pH

• Strong cohesive properties (allows surface tension!)

• Boiling point is 212 F (100 C)

• Freezing point is 32 F (0 C)

What is Water & Why is it Important?

• We are mostly water; actually, all living things are mostly water

• We need clean water to stay healthy

• The average human can't go more than 3 days w/o water

• The world is mostly water

• Without water, life would not be possible!

Match

Match the following

• Water's Boiling Point (C)

• Water's Freezing Point (C)

• Water's strong attraction to itself

100 C

0 C

Surface Tension

Cohesion

water molecule

• 100 C

• 0 C

• Surface Tension

• Cohesion

• water molecule

Our Hydrosphere

• Water can be destructive, it can save lives, it can give life or take it away

• No new water is being created. What we have has been recycled (hydrologic cycle) for centuries

• Water covers about 71% of the Earth's surface

• 97% of the world's water is OCEAN water

• 3% of the world's water is freshwater

• 80% of the freshwater is frozen in the polar ice caps!

Multiple Choice

What percentage (%) of the world's water is drinkable?

• 1%

• 3%

• 70%

• 100%

Multiple Choice

The majority of the world's water is:

• Fresh

• Brackish

• Salt

• Polluted

How do YOU use Water?

• The average Texan can live on 1 gallon of water per day for drinking, cooking, and washing

• However, most people use MUCH more- up to 90 gal/day!!

• The need for water has more than tripled over 50 years

• As more people move to Texas, our water becomes in more demand

• In turn, our rivers, streams, lakes, etc have taken a hit and some have dried up almost completely

Open Ended

In what ways do you use water the most?

Texas Water

• Water is the MOST important resource in Texas

• 1.26 million acres of freshwater lakes, ponds, reservoirs

• 2.1 million acres of water in our bays and estuaries on our coast

• 191,000 miles of rivers and streams

• 75% of our state has an underground aquifer under it!

• 3,000 natural springs

• 15 rivers

• Some areas of TX receive over 60" of rain/yr...other areas may receive less than 10" all year

Texas Rivers

Rio Grande (longest), Red, Brazos, Pecos, Canadian, Colorado,Trinity, Neches, Sabine, San Jacinto, Guadalupe, San Antonio, Lavaca, Devils, Comal (shortest)

Multiple Choice

Which river runs through Brazoria County and empties by Freeport?

• Rio Grande

• Comal

• Colorado

• Brazos

Open Ended

How many rivers can you name in Texas? Go!