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This one is helpful in teaching about The Water Cycle

Subject:

Science  

Grades:

4, 5, 6  

Title – The Water Cycle
By – Jennifer Dalke
Subject – Science
Grade Level – 4-6

Skills Used
Observing; Predicting; Inferring

Key Vocabulary
Water Cycle, Evaporation, Condensation

Lesson Time
Two 20 minutes periods, with one hour waiting time

State Goals
11.A.2a, 11.A.2b, 11.A.2d, 11.A.2c, 11.V.2b, 11.B.2c, 12.E.2a, 13.A.2c

Conceptual Objective
Students will understand the process of the water cycle.

Process Objective
Students will make a model of the two main parts of the water cycle and be able to predict and infer to answer questions about the model.

Materials
* clear jars
* water
* plastic wrap
* rubber bands
* chalkboard

Procedure
1. Introduce students to the water cycle. Describe how this cycle works, defining the words ‘evaporation’ and ‘condensation.’
2. Show the correlating transparency and review it with students.
3. Discuss how we get rain and snow. Encourage children to speculate about the movement of water through the environment.
4. Hand out supplies and explain that they will produce a model of the water cycle.
5. Instruct students to fill their jar about 1/3 full with water. They should cover the top with plastic wrap and secure it with a rubberband.
6. Have students place the jars directly in sunlight. Ask them to write their predictions about what might happen on their own paper.
7. One hour later, have students get their jars. Write the following questions on the board and have students answer them on their own paper: What processes involved in the water cycle occurred inside the jar? What caused the water to evaporate?

Evaluation
1. Did student follow directions?
2. Did student answer questions to communicate that they understand how the water cycle works? Assess their answers.

Troubleshooting
1. Students may not fully understand the concept. If there are students who really cannot answer the questions, pair them up with a student who has a firm grasp of the concept and have him/her reteach. Then let the student answer the questions verbally in a conference with the teacher at a later time.

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