Through this activity, students will understand that the drinking water on Earth is in small amounts and not all countries have equal access to it. That is why we should save it. The activity was performed online through Microsoft Teams.
Objectives:
- to get acquainted with the amount of drinking water on Earth
- understand that we have so little amounts of drinking water
- how polluted water comes to plants and other living things
- to understand that not all people in the world have access to clean drinking water
Discussion with students: What do you think if there is a lot of water on Earth? How much water can we use for our own needs and for drinking? Does everyone in the world have the same access to clean drinking water? What about polluted water? How does it harm us?
Activity 1: In order for the students to understand how water is distributed on Earth, we organized the following small experiment.
Materials: 1000 ml measuring cylinder, pipette, 2 water containers, 1 glass of water, salt.
Procedure:
1. Take a container of water that collects 1000 ml and take a drop from it with a pipette and spray it. It represents water in the atmosphere.
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