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Sherbet Chemical Reactions
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Sherbet Chemical Reactions
🧪 Part 1: Understanding Chemical Reactions
1. What is a chemical reaction?
When substances mix but don't change
When substances combine to form new substances
When substances get hot
When substances change colour only
2. Which of these are signs of a chemical reaction? (Check all that apply)
Bubbles or gas being produced
Temperature change
Colour change
New smell
Mixing two liquids together
🍬 Part 2: Sherbet Investigation
3. Before adding water to the sherbet, describe what you observe:
4. After adding water to the sherbet, describe what happens:
5. Draw what you observed when water was added to the sherbet:
6. What gas is produced when sherbet reacts with water?
Oxygen
Carbon dioxide
Hydrogen
Nitrogen
⚗️ Part 3: Chemical Equation Understanding
7. Complete the chemical equation for the sherbet reaction:
Acid + Base → _____________ + _____________
8. Match the components with their role in the sherbet reaction:
1. Citric acid
2. Sodium bicarbonate
3. Carbon dioxide
4. Water
A. The gas that causes fizzing
B. The acid component
C. The base component
D. The activator that starts the reaction
9. Why does sherbet fizz in your mouth?
🌍 Part 4: Real-World Applications
10. List three everyday examples where acid-base reactions occur:
1. _________________________________
2. _________________________________
3. _________________________________
11. Which of these products use similar chemical reactions to sherbet? (Check all that apply)
Baking powder in cakes
Fizzy drinks
Antacid tablets
Bath bombs
Plain water
12. Explain how understanding chemical reactions helps us in everyday life:
🔬 Part 5: Scientific Thinking
13. If you wanted to make the sherbet reaction stronger, what could you do?
Add more water
Add more sherbet powder
Heat the mixture
All of the above
14. Write a hypothesis for what would happen if you mixed sherbet with lemon juice instead of water:
15. Reflection: How did this practical activity help you understand chemical reactions better?
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