Projekti pealkiri: Pilveakadeemia detektiivid: Αποκρυπτογραφώντας τις κοσμικές ακτίνες στη Γη και πέρα από αυτήν.

2ο Δημοτικό Σχολείο Νέας Χαλκηδόνας   Αθήνα   Kreeka

This project aims to investigate the impact of cosmic rays on cloud formation. Cosmic rays interact with atmospheric molecules through scattering phenomena. Notably, Mie scattering occurs with spherical particles. Aerosol particles in the atmosphere, such as dust aerosols, influence radiation by altering the temperature distribution in the atmosphere. Consequently, this affects air humidity and, consequently, cloud formation. By establishing this connection, we aim to understand how cloud formation influences the climate of a region. Thus, our study focuses on exploring how cosmic rays influence atmospheric dynamics and the processes of cloud formation.

We conducted classroom experiments to simulate the impact of cosmic rays on cloud formation and climate. For instance, we used cocoa powder in a glass of water to represent Earth’s atmosphere and atmospheric aerosols, observing the scattering of light. Additionally, we familiarized ourselves with scientific tools like AERONET, SENTINEL, Cloudsat,Proba_2 and EUMERSAT. We programmed in Scratch and we observed the temperature environment with micro-bit.
In conclusion, we observed that the presence of dust and other aerosols in Earth’s atmosphere affects light scattering, leading to changes in temperature, air humidity, cloud formation, and regional climate. Essentially, altering any parameter in this chain—such as the quantity or content of atmospheric aerosols—has environmental repercussions on the climate locally/globally.

Experimentation: Conducting classroom experiments to simulate the impact of cosmic rays on cloud formation and climate is a valuable approach. Using cocoa powder to represent atmospheric aerosols and observing light scattering provides hands-on learning experiences and helps visualize complex concepts. After simulating solar radiation using balls, we aimed them towards a box representing atmosphere. Upon scattering, some balls bounced off back into space, some remained within the box, while others landed on the Earth’s surface.
Analysis: Analyzing data from tools like AERONET and discussing findings from experimental satellites like CloudSat demonstrates a thorough investigation into the topic. Incorporating real-world data enhances the credibility of our study and allows for comparisons with existing research.
Observations: Our conclusion highlights important observations regarding the influence of atmospheric aerosols on light scattering, temperature, cloud formation, and regional climate. This comprehensive understanding emphasizes the interconnectedness of factors in the Earth’s atmosphere and climate system.
Implications: The conclusion effectively underscores the environmental repercussions of altering parameters such as atmospheric aerosols. By emphasizing the local and global impacts on climate, it reinforces the significance of our findings and the need for further research and environmental action.

Further Research: The next step is to conduct similar experiments regarding the atmospheres of other planets, such as Mars and Venus, and establish connections between cosmic rays and climate.
Climate Change Adaptation: Develop and implement strategies:To mitigate the issue, we must adhere to good practices, such as reducing aerosols emitted by human activities and improving air quality, essentially decreasing air pollution. Additionally, we should promote the use of renewable energy and implement sustainable solutions in transportation, agriculture, and everyday life.
Education: To achieve these goals, citizen education on eco-friendly habits is essential.

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