Water Cycle
Types of Pollution
The Filtration Process
Water On Earth
WOD's
100

After condensation, clouds become heavier and __________.

Percipitate

100

What is Point Polltion?

Point Polltion is pollution where you can point to the source.

100

What is the first step in the filtration process?

First Filtration

100

What percentage of water is in the ocean?

97%

100

A substance that does the dissolving

Solvent
200

During evaporation, what form of water does the water turn into while entering the atmosphere?

Gas

200

What is Non-Point Pollution?

Non-Point Pollution is pollution where you are unable to point to the source.

200
What step number is Chlorination?
Step #5
200

What percentage of water is freshwater?

3%

200

A molecule that has electrically charged areas.

Polar Molecule

300

Evapotranspiration is the combination of what two steps of the water cycle?

Evaporation and Transpiration

300

What is the difference between Point Pollution and Non-Point pollution

One type of pollution you can point to, while the other you cannot.

300

How many steps of the filtration process are there?

7

300

Ice is _____% of freshwater

76%

300

A characteristic of materials, such as sand and gravel, through which water easily passes.

Permeable

400

The water cycle begins with ____________.

Trick Question! The water cycle has no begining or end!

400

Is this Non-Point or Point pollution? 

Garbage flows in a lake

Non-Point Pollution

400

Chlorine is added to the water to kill remaining organisms. What step is this?

Chlorination

400

What percentage of water is usable by humans?

0.01%

400
What is the definition for surface tension?

The tightness across the surface of water

500

How are clouds formed?

The water vapor condenses and turns back into a liquid, while the cloud is formed by grouped up water droplets.
500

Is this Non-Point or Point pollution?

Pestisides are collected in runoff from a farm

Point Pollution

500

What are the steps of the Filtration Process in order?

First Filtration, Coagulation, Settling Basins, Second Filtration, Chlorination, Aeration, Additional Treatment.

500

23% of freshwater is located in _________.

The ground, it is ground water.

500

What is the definition of the unsaturated zone.

The layer of rocks and soil above the water.