🎯 Learning Intentions & Predictions

1. WALT (We Are Learning To):

• Investigate neutralisation reactions through hands-on experimentation

• Measure and record pH changes during the reaction

• Understand the significance of neutralisation in cooking

2. What do you predict will happen when vinegar (acid) and baking soda (base) are mixed together?

3. How do you think the pH will change during this reaction?

pH will decrease (become more acidic)

pH will increase (become less acidic/more neutral)

pH will stay the same

pH will fluctuate randomly

📊 Data Collection & Results

4. Record your experimental data in the table below:

Initial pH of vinegar: _______

Data Table:

Teaspoons of baking soda added: 0 | 1 | 2 | 3 | 4 | 5

pH reading: _____ | _____ | _____ | _____ | _____ | _____

Observations: ________________________________

_____________________________________________

5. What did you observe happening during the reaction? (Check all that apply)

Bubbling/fizzing occurred

Temperature changed

pH increased towards neutral

Gas was produced

The mixture changed colour

6. At what point did your solution reach approximately neutral pH (around 7)?

After adding approximately _______ teaspoons of baking soda.

🤔 Analysis & Real-World Applications

7. Explain what happened chemically during this neutralisation reaction:

8. How is neutralisation used in cooking? Give two specific examples:

Example 1:

Example 2:

9. Extension Challenge: If you wanted to neutralise 100mL of vinegar instead of 50mL, how much baking soda do you think you would need? Explain your reasoning:

10. Reflection: How well did your prediction match your actual results? What did you learn about acids, bases, and neutralisation?

Neutralisation Reactions Experiment

Neutralisation Reactions Experiment

🎯 Learning Intentions & Predictions

📊 Data Collection & Results

🤔 Analysis & Real-World Applications

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