filter vode
Presentation
•
Biology
•
7th Grade
•
Practice Problem
•
Easy
Edin Mrkanovic
Used 2+ times
FREE Resource
5 Slides • 5 Questions
1
2
Prikazati učenicima čašu “prljave vode” i pitati:
„Da li biste ovo popili? Kako bismo mogli pročistiti ovu vodu?“Kratka diskusija o tome odakle dolazi zagađena voda (kućni otpad, industrija, kiša, poljoprivreda).
Učenicima najaviti da će danas dizajnirati i testirati vlastiti filter za vodu.
3
4
Open Ended
Kako se zagađuje voda?
5
Open Ended
Da li ste nekad radili filter
6
Open Ended
What is one thing you learned about water filtration or water pollution that surprised you the most?
7
Open Ended
Why is it important to clean dirty water before using it, and what could happen if we don't?
8
9
10
Multiple Choice
Which of the following materials is most effective at removing odors and some chemicals from dirty water in a filter?
Cotton wool
Gravel
Sand
Activated carbon
Show answer
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