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Matter Diffusion Evaporation Experiments

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Matter Diffusion Evaporation Experiments

Ice cubes melting with salt and sugar

🧊 Part 1: Ice Cube Experiment Observations

1. Which substance made the ice cube melt faster?

Salt

Sugar

They melted at the same rate

2. What did you observe happening at the surface of the ice cubes? Describe what you saw:
3. How long did it take for the salt ice cube to start melting noticeably?

Time: _______ minutes

4. How long did it take for the sugar ice cube to start melting noticeably?

Time: _______ minutes

5. What is diffusion?

When particles move from high concentration to low concentration

When liquid changes to gas

When ice melts into water

🌡️ Part 2: Understanding Evaporation and Real-World Applications

6. Evaporation is when _____________ changes into _____________.
7. Give two real-world examples where evaporation is important in everyday life:
8. Why do councils put salt on roads during winter in some parts of New Zealand?

To make the roads look white

To help ice melt faster and make roads safer

To feed the plants nearby

9. How can we use our knowledge of diffusion and evaporation to care for God's creation? Give one example:

🎨 Part 3: Scientific Drawing and Reflection

10. Draw a simple diagram showing particles in ice, water, and water vapour (gas). Label each state of matter:
11. Complete this sentence: "Today's experiment showed me that God's creation has _________________ and _________________ in how matter behaves."
12. What is one question you still have about diffusion or evaporation?

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