| Location | Main Location |
| Location Code | 414 |
After this activity, students should be able to:
- Make sense of how pharmaceuticals and hormones have resulted in pervasive water contamination.
- Describe the effects humans have on the quality of water on Earth.
- Follow the steps of the engineering design process while designing and building prototype devices to filter contaminants from a liquid solution.
- Design a system that regulates flow rate to maximize effectiveness of treatment.
- Filter out 75% of the chlorine from a provided chlorine solution.
- In a summary engineering design report, describe the materials used by explaining their use and effectiveness.
- Complete Claim-Evidence-Reasoning statements for questions posed.
Each group gets:
- 1.5 foot PVC pipe
- 2 250-ml beakers
- 50-100 ml chlorinated water
- 50-ml graduated cylinder
- plastic spoon
- sieve
- lab safety gloves
- safety goggles
Shared materials:
- activated carbon,
- filter media
- fine-grained sand
- Clorox:registered: germicidal bleach;
- pitcher
- "free" and total low-level chlorine water quality test strips,
- sanitizer-strength chlorine test strips
- stopwatch
View the complete lesson guide and materials here
https://www.teachengineering.org/activities/view/wpi_protect_activity1
Youtube: https://www.youtube.com/watch?v=F43mLaGpyGA&feature=emb_imp_woyt