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Water Properties Investigation

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Water Properties Investigation

Water droplets and ice cubes illustration

🔬 Part 1: States of Water and Particles

1. What are the three states of water?

Solid, liquid, gas

Hot, cold, warm

Ice, water, steam

Both A and C are correct

2. In which state are water particles moving the fastest?

Solid (ice)

Liquid (water)

Gas (steam)

3. Complete the sentence: When water freezes, the particles _____________ and move _____________.

get closer together / spread out further apart

faster / slower

4. Draw and label the particle arrangement in each state of water:

Ice (solid):

Water (liquid):

Steam (gas):

🧪 Part 2: Density and Surface Tension Experiments

5. In the oil and water experiment, what happened when you poured oil into water?

The oil sank to the bottom

The oil floated on top

The oil and water mixed completely

6. Why does oil float on water? Explain using the word "density".
7. In the surface tension experiment, what happened when you tried to float a paper clip on water?
8. Surface tension occurs because water molecules are _____________ to each other.

Fill in the blank: attracted / repelled

9. Which of these real-life examples demonstrate water's properties? (Tick all that apply)

Ice cubes floating in a drink

Water bugs walking on pond surfaces

Oil spills spreading on ocean surfaces

Steam rising from hot soup

🤔 Part 3: Reflection and Extension

10. What was the most surprising thing you learned about water today?
11. Extension Challenge: Predict what would happen if you added salt to the oil and water mixture. Explain your reasoning.
12. How might understanding water's properties be useful when making gelato? Think about freezing and mixing ingredients.

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