Lesson start ideas	Give a creative idea how to begin a lesson
Which subject	Biology
What age group	Year or Grade 2
What topic	круговорот воды в природе
Quantity	1
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Introduction

Welcome to today's biology class, where we will be exploring the fascinating world of the water cycle. Do you know that water is found everywhere? It can be in the air we breathe, in the oceans and even in our bodies!

Understanding the Water Cycle

The water cycle is a continuous journey of water through the earth's natural systems, where it undergoes various processes that contribute to its quality and abundance. In today's lesson, we will be focusing on the four main stages of the water cycle: evaporation, transpiration, condensation, and precipitation.

Activity

To better understand the water cycle, we will conduct an experiment that will give us a visual representation of how the different stages of the water cycle work.

Materials needed:

• Clear plastic cup
• Water
• Plate
• Ice cubes
• Heat source (e.g. lamp or sunlight)

Instructions:

1. Fill the clear plastic cup with water until it's around two-thirds full.
2. Place the plate on top of the cup, and turn the cup upside down so that the plate is now at the bottom.
3. Place the ice cubes on top of the plate and put the cup in a warm place, such as near a lamp or in sunlight.
4. Watch what happens to the water droplets on the inside of the cup.

Conclusion

Now that we have a better understanding of the different stages of the water cycle, we can appreciate how important it is to our environment. Water supports all forms of life, and the water cycle ensures that we have a consistent supply of clean, fresh water. Join me next week as we continue our journey through the fascinating world of biology!