Water

Summary
This lesson introduces students to water.

Objectives
• To be able to briefly describe the types of water and where they are found.

• To be able to explain the main functions of water in the body.

• To be able to describe the water cycle.

Suggested Grades
3rd Grade
4th Grade
5th Grade

Excerpt
Water is all around us and is essential for all living things. The earth, plants, animals, and humans need water to survive. Earth needs water to ensure the balance of nature and regulate the temperature. Plants need water so that they can grow through photosynthesis. Animals and humans need water to regulate their body temperature and to be able to carry out the necessary functions and operations in the body.

Around 66% of the human body is made of water. The brain consists roughly of 75% water, whereas the blood is around 83% water.

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