Salt Water Facts
Fresh Water Facts
Water Percentages
Vocabulary
100

Salt water is found in the Earth's seas and where else?

Oceans

100

Where are three places fresh water can be found?

Fresh water can be found in ponds, lakes, rivers, streams, glaciers, icebergs, ice caps, and ice sheets.

100

What percentage of Earth's water is salt water, and what percentage is fresh water (whole number answer)?

Salt water: 97%

Fresh water: 3%

100

What is the definition of "freezing point"?

The temperature a liquid needs to cool to in order to become a solid.

200

Why can't humans drink salt water?

Our bodies cannot process the large amounts of salt present in salt water.

200

Where is the "original source" of fresh water?

Precipitation
200

According to our graph, what are two of our main fresh water sources?

Ice caps and glaciers, and ground water

200

What is the definition of "precipitation"?

Rain, mist, and snow.

300

What are two animals from our reading that live in salt water?

Shellfish, Whales, Dolphins, Seals, Oysters, Jellyfish, Octopus, Sea Turtles, Coral, Squid, Seahorses, Sea Lions, Some Fish, Walrus, Sea Snakes, Some Crocodiles

300

What are three effects that fresh water pollution can have on animals?

The animals can suffer from birth defects, disease, and deformities from continually drinking polluted water.

300

According to our graph, what is our biggest source of fresh water?

Ice caps and glaciers

300

What is the definition of "erosion"?

When the surface of the earth is worn down by water, glaciers, winds, waves, etc.

400

Is salt water more dense or less dense than fresh water? Why?

Salt water is more dense than fresh water because of its additional salt and mineral content.

400

What is the difference between Industrial Waste and Dumping Waste?

Industrial Waste is made by industrial processes. This can take the form of scrap metal, dirt, concrete, or chemicals sent into the sewers.

Dumping Waste is deliberately disposed of in water. Different items take a long time to break down in water.

400

According to our graph, does water in lakes or water in soil give us more fresh water?

Water in lakes give us more fresh water (52%) than water in soil (38%)

400

What is the definition of "density"?

How much “stuff” is in a given space.

500

What role does erosion play in creating salt water?

Erosion breaks down rocks, releasing the sodium and minerals inside.

500

Why are fertilizers and pesticides harmful to our fresh water sources?

When fertilizer is washed into a freshwater habitat, it can lower the oxygen amounts in the water, meaning that the water will support less life. Large volumes of chemicals can also threaten the survival of wildlife.

500

What are the names of the three smallest sources that make up our fresh water sources?

Water vapor in the atmosphere, water in living organisms, and water in rivers.

500

What is the definition of "pollution"?

Something that is harmful or poisonous to the environment.