Deepika Kurup has invented a simple way of making clean drinking water., Germs in dirty drinking water can make you sick., Millions of people die because they drink dirty water., Deepika became interested in this problem., Deepika saw many children drinking dirty water., Most methods for cleaning water are difficult or expensive., Deepika's method is simpler and cheaper., Deepika uses a special material called a photocatalyst., It reacts with sunlight and kills all the germs in dirty water., Her photocatalyst can also be used again and again!, Deepika won a prize for her invention when she was only 14., Now she wants to study medicine and becomea doctor

CPP5 Unit1 Deepika Kurup

על ידי
הדפסה
הטבעה

לוח תוצאות מובילות

סגנון חזותי

אפשרויות

החלף תבנית

האם לשחזר את הנתונים שנשמרו באופן אוטומטי: ?