The Water Cycle:A Never-Ending Story

Intro Lesson Quiz

Let’s Begin!As you go through this lesson, you may choose to continue on to

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LET’S GET STARTED!

IntroductionBy the end of this lesson, you will become an expert on

the water cycle! *You will understand why the water cycle is a never-

ending cycle and be able to name and explain each stage of this cycle using new vocabulary.

*This lesson is aligned with the Ohio Department of Education Content Standards for Second Grade Earth and Space Science. This lesson fulfills the requirements that students will be able to understand that “wind and water are observable parts of weather, sunlight warms water and air, and the physical properties of water can change (liquid to solid and solid to liquid).”

Second Grade, Science

Lesson

Things to ask yourself …• Why is the water cycle a never-ending story?• How is water continuously used over and over on

Earth?• Where does water go after it forms a puddle on the

ground?• When you put wet clothes into the dryer, where

does the moisture go?• Are we drinking the same water that dinosaurs did

millions and millions of years ago?

What is the Water Cycle?

The water cycle is the continuous movement

of water from the Earth’s surface to the atmosphere and then

back to the Earth’s surface again.

VocabularyBodies of water that can be found on the Earth’s surface include: oceans, lakes, streams, rivers, puddles, soil

Atmosphere: the air, or gases, which surround the Earth

Step One

The sun heats the water on the Earth’s surface and causes it

to evaporate.

Vocabulary

Evaporate: to turn from a liquid to a vapor, or gas

Step TwoThis water vapor then rises into the atmosphere where it cools and condenses into liquid droplets.

Vocabulary

Condenses: to turn from a gas or vapor into a liquid

Step Three

These droplets combine and grow until they become too heavy and fall to the Earth as precipitation.

VocabularyPrecipitation: rain, snow, sleet, or hail that falls to the ground

Rain=Liquid Snow=Solid

A Never-Ending Story…After this occurs, the cycle continues to repeat itself through the steps of evaporation, condensation, and precipitation. This is why the water cycle is a never-ending story!

The Life of Water (video)

Click the link below to watch a short video about the life of Dew and Drip.

http://www.youtube.com/watch?v=FAnDlYRycqs

Activities to try on your own…

With the help of an adult, click on the following links for some fun games about the Water Cycle.

Water Cycle Game

Coloring Book Pages

Let’s Review!Bodies of water that can be found on the Earth’s surface include: oceans, lakes, streams, rivers, puddles, soilAtmosphere: the air, or gases, which surround the EarthEvaporate: to turn from a liquid to a vapor, or gasCondenses: to turn from a gas or vapor into a liquid Precipitation: rain, snow, sleet, or hail that falls to the ground

Quiz

Now let’s test your knowledge…This quiz will test your knowledge on the vocabulary used throughout this unit.

Click on the letter that matches the correct answer.

At any time during the quiz, you may click the “HINT” button for help.

Good luck!

Question OneWhat types of bodies of water can be found on the Earth’s surface?

A. Rain, snow, hail, sleetB. Oceans, lakes, streams, rivers, puddles, soilC. None of the above

HINT

Correct!Good job, you got the right answer!

You’re on your way to becoming a Water Cycle Expert!

Click the arrow button to continue to Question Two.

Sorry, try again…Click the HINT button to review the vocabulary to help answer Question One.

Click TRY AGAIN to return to Question One.

HINT TRY AGAIN

Question TwoWhich statement best describes the atmosphere?

A. The air, or gases, that surround the EarthB. Changing from a liquid to a solidC. None of the above

HINT

Correct!Good job, you got the right answer!

You’re on your way to becoming a Water Cycle Expert!

Click the arrow button to continue to Question Three.

Sorry, try again…Click the HINT button to review the vocabulary to help answer Question One.

Click TRY AGAIN to return to Question Two.

HINT TRY AGAIN

Question ThreeWhat occurs during evaporation?

A. A gas, or vapor, turns into a liquidB. rain, snow, hail falls from the skyC. A liquid turns into a vapor, or gas

HINT

Correct!Good job, you got the right answer!

You’re on your way to becoming a Water Cycle Expert!

Click the arrow button to continue to Question Four.

Sorry, try again…Click the HINT button to review the vocabulary to help answer Question One.

Click TRY AGAIN to return to Question Three.

HINT TRY AGAIN

Question FourIn relation to the water cycle, what does it mean to condense?

A. To turn from a gas or vapor into a liquid B. The sun heats up the Earth’s surfaceC. None of the above

HINT

Correct!Good job, you got the right answer!

You’re on your way to becoming a Water Cycle Expert!

Click the arrow button to continue to Question Five.

Sorry, try again…Click the HINT button to review the vocabulary to help answer Question One.

Click TRY AGAIN to return to Question Four.

HINT TRY AGAIN

Question FiveWhat is precipitation?

A. Oceans, lakes, streams, rivers, puddles, soilB. Rain, snow, sleet, or hail that falls to the groundC. None of the above

HINT

Correct!Good job, you got the right answer!

You’re on your way to becoming a Water Cycle Expert!

Click the arrow button to continue.

Sorry, try again…Click the HINT button to review the vocabulary to help answer Question One.

Click TRY AGAIN to return to Question Five.

HINT TRY AGAIN

Congratulations!You are now a Water Cycle Expert!

Next week in class, we will be using your new knowledge to learn about the formation of clouds.

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References

ReferencesThe Life of Water Video Clip:http://www.youtube.com/watch?v=FAnDlYRycqs&feature=related

ODE Content Standards:http://www.ode.state.oh.us/GD/Templates/Pages/ODE/ODEPrimary.aspx?page=2&TopicRelationID=1696

Water Cycle Game:http://apps.southeastwater.com.au/games/education_kidsroom_wcactivity.asp

Activities and Coloring Book Pages:http://water.epa.gov/learn/kids/drinkingwater/kids_k-3.cfm

*All images found on Google.