1st Semester Exam

Front

What does the Hydrosphere represent?

Back

All the water on Earth.

Front

How much freshwater on Earth is actually available for human consumption?

Back

.0025%.

Front

Which characteristic of water allowed the paperclip to remain floating on the surface during our paperclip lab?

Back

Surface Tension.

Front

What type of climate does most of Texas have?

Back

Modified Marine Climate.

Front

On average, how much water does a person use in a day in the United States?

Back

100 gallons.

Front

Define Hydrosphere.

Back

The hydrosphere encompasses all the water found on, under, and above the surface of a planet.

Front

What percentage of Earth's water is freshwater?

Back

Approximately 3%.

Front

Explain the concept of Surface Tension.

Back

Surface tension is the elastic tendency of a fluid surface that makes it acquire the least surface area possible.

Front

What is the significance of freshwater availability?

Back

Only a small fraction of Earth's water is freshwater, which is crucial for drinking, agriculture, and sanitation.

Front

Describe the Modified Marine Climate.

Back

A climate characterized by mild temperatures and high humidity, influenced by nearby oceans.