1.1 Fresh Water_Notes_Ch8

Fresh Water Fresh Water Vocabulary/NotesVocabulary/Notes

pgs. C74-C76pgs. C74-C76Chapter 8 Lesson 6Chapter 8 Lesson 6

1. Most of the Earth’s water 1. Most of the Earth’s water is… is…

saltwatersaltwater (pg. C72) (pg. C72)

2. water cycle2. water cycle•constant renewal of waterconstant renewal of water

3. Groundwater-3. Groundwater-• water that seeps into the groundwater that seeps into the ground

4. Water table- 4. Water table-

• water that sits above the groundwater that sits above the ground

5. Aquifer- 5. Aquifer-

• an underground layer of rock or soil an underground layer of rock or soil that is filled with waterthat is filled with water

6. Spring-6. Spring-• water that seeps out of the ground; it water that seeps out of the ground; it

feeds water into lakes and streamsfeeds water into lakes and streams

7. Wells- 7. Wells-

• holes dug in the ground below the holes dug in the ground below the water tablewater table

8. Reservoirs-8. Reservoirs-• storage areas for fresh waterstorage areas for fresh water

What Makes Acid Rain?• burning fossil fuels + rain = acid rainburning fossil fuels + rain = acid rain

How can fresh water be polluted?

Pollutant How does it pollute the water?precipitation Rain or snow picks up pollutants in the air (turns

to acid rain)runoff Water runs over dumped garbage on the ground;

this waste ends up in streams and lakesgroundwater As water soaks into the soil it can pick up

chemicals like pesticidesindustry Water used by companies gets polluted (example:

water used to make paper is filled with fibers and chemicals)

household waste You do it! Brushing teeth, bathing, washing dishes, flushing the toilet, cleaning your house

Question time!Question time!• When it rained one morning, Jack saw a puddle of water form in When it rained one morning, Jack saw a puddle of water form in

the street. In the evening the puddle was gone. The water the street. In the evening the puddle was gone. The water probably disappeared by:probably disappeared by:A) CondensationA) Condensation C)PrecipitationC)PrecipitationB) EvaporationB) Evaporation D)ExpansionD)Expansion

• Two children in a wading pool notice that the water level is lower Two children in a wading pool notice that the water level is lower than it was the week before. What happened to the water?than it was the week before. What happened to the water?A) Some of the water evaporated.A) Some of the water evaporated.B) The pool absorbed some of the water.B) The pool absorbed some of the water.C) Condensation caused the water to disappearC) Condensation caused the water to disappearD) Toys in the pool absorbed some of the water.D) Toys in the pool absorbed some of the water.

• After boiling an egg in a pot of water, a cook notices that much of the After boiling an egg in a pot of water, a cook notices that much of the water is gone. What happened to the water?water is gone. What happened to the water?A) The egg absorbed the water.A) The egg absorbed the water.B) Most of the water evaporated.B) Most of the water evaporated.C) Condensation formed on the inside of the pot.C) Condensation formed on the inside of the pot.D) Condensation formed on the outside of the pot.D) Condensation formed on the outside of the pot.

• In the water cycle, what is the role of the sun in the process of cloud In the water cycle, what is the role of the sun in the process of cloud formation?formation?A) The sun condenses water vapors.A) The sun condenses water vapors.B) The sun evaporates water into vapors.B) The sun evaporates water into vapors.C) The sun makes vapors stick to each other.C) The sun makes vapors stick to each other.D) The sun makes clouds float in the atmosphere.D) The sun makes clouds float in the atmosphere.

• Which best describes how oceans can affect temperatures in Which best describes how oceans can affect temperatures in nearby land areas?nearby land areas?A) On cooler days, water from the ocean does not A) On cooler days, water from the ocean does not evaporate as evaporate as much. Less cloud development allows much. Less cloud development allows the sun to warm nearby land the sun to warm nearby land areas.areas.B) On warmer days, water from the ocean evaporates B) On warmer days, water from the ocean evaporates and and develops into clouds. These clouds bring rain develops into clouds. These clouds bring rain and cooler temperatures and cooler temperatures to nearby land areas.to nearby land areas.C) The surface of the ocean water warms or cools the air C) The surface of the ocean water warms or cools the air above it. above it. The warmed or cooled air moves over The warmed or cooled air moves over nearby land areas and affects nearby land areas and affects the temperature.the temperature.D) The surface of the ocean water warms more quickly D) The surface of the ocean water warms more quickly during the during the day than land does. The ocean waves day than land does. The ocean waves break on nearby land areas break on nearby land areas and affect theand affect the temperaturetemperature..

• A student fills a glass with ice water and leaves it sitting on a A student fills a glass with ice water and leaves it sitting on a table. Several minutes later, the student sees that the outside table. Several minutes later, the student sees that the outside of the glass is covered with drops of water. Which of these of the glass is covered with drops of water. Which of these bestbest explains how the drops of water formed?explains how the drops of water formed?

A) The water in the glass soaked through tiny holes in A) The water in the glass soaked through tiny holes in the the glass.glass.B) The ice in the glass melted and spilled over the sides B) The ice in the glass melted and spilled over the sides of of the glass.the glass.C) Water vapor in the air was cooled by the glass and C) Water vapor in the air was cooled by the glass and turned into drops on the outside of the glass.turned into drops on the outside of the glass.D) Oxygen in the air was cooled by the glass and D) Oxygen in the air was cooled by the glass and changed changed into water drops on the outside of the into water drops on the outside of the glass.glass.

• Which is the Which is the most likelymost likely reason for the lower water level of some reason for the lower water level of some lakes in the summer?lakes in the summer?A) The water in the lake drains away.A) The water in the lake drains away.B) The water in the lake is destroyed.B) The water in the lake is destroyed.C) The water in the lake is absorbed by the sun.C) The water in the lake is absorbed by the sun.D) The water in the lake goes into the atmosphere.D) The water in the lake goes into the atmosphere.

• Which of these statements correctly describes the evaporation of Which of these statements correctly describes the evaporation of water in the water cycle?water in the water cycle?A) Water turns from a liquid to a solid.A) Water turns from a liquid to a solid.B) Water turns from a liquid to a gas.B) Water turns from a liquid to a gas.C) Water disappears and no longer exists.C) Water disappears and no longer exists.D) Water falls back to the surface of the Earth.D) Water falls back to the surface of the Earth.

• How is the water in the seas and oceans recycled?How is the water in the seas and oceans recycled?A) by the formation of ocean waves.A) by the formation of ocean waves.B) by the formation of clouds and rainfall.B) by the formation of clouds and rainfall.C) by the formation of underground rivers.C) by the formation of underground rivers.D) by the formation of icebergs and glaciers.D) by the formation of icebergs and glaciers.

• Which of these Which of these bestbest describes how water changes when it is describes how water changes when it is evaporated by the sun?evaporated by the sun?A) It is absorbed by the sun.A) It is absorbed by the sun.B) It is absorbed by the ground.B) It is absorbed by the ground.C) It disappears as it floats into the sky.C) It disappears as it floats into the sky.D) It turns into gas and mixes with the air.D) It turns into gas and mixes with the air.