🔬 Part 1: Water Quality Observations

1. Record your microscopic observations of the three water samples:

Tap Water: _________________________________

River Water: _________________________________

Rainwater: _________________________________

2. Which water sample appeared the cleanest under the microscope?

Tap water

River water

Rainwater

3. What types of particles or organisms did you observe? (Check all that apply)

Algae

Dirt particles

Microorganisms

Nothing visible

Other: _______________

4. Complete the pH testing data table:

Water Sample	pH Value	Acidic/Neutral/Basic
Tap Water	______	______
River Water	______	______
Vinegar Solution	______	______
Baking Soda Solution	______	______

💧 Part 2: Water Filtration Challenge

5. Draw a diagram of your water filter design and label the materials used:

6. Record your filtration results:

Before filtration - Water clarity (1-10 scale): ______

After filtration - Water clarity (1-10 scale): ______

Before filtration - pH: ______

After filtration - pH: ______

7. Which filtration material was most effective at removing particles?

Activated charcoal

Sand

Gravel

Cotton wool

8. Explain why water treatment is important for Nelson's waterways:

🌊 Part 3: Reflection and Local Connections

9. What are two sources of water pollution that could affect Nelson's rivers?

1. _____________________________________________

2. _____________________________________________

10. How could your filtration method be improved to better clean contaminated water?

11. What actions can individuals take to protect local water quality? List three ideas:

1. _____________________________________________

2. _____________________________________________

3. _____________________________________________

Water Quality Investigation Lab

Water Quality Investigation Lab

🔬 Part 1: Water Quality Observations

💧 Part 2: Water Filtration Challenge

🌊 Part 3: Reflection and Local Connections

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