🔬 Part 1: Liquid Properties Knowledge

1. Which property describes how thick or thin a liquid is?

Density

Viscosity

Diffusion

Temperature

2. What happens when you add food colouring to water?

It sinks to the bottom

It floats on top

It spreads throughout the water

Nothing happens

3. Why does oil float on water?

Oil is less dense than water

Oil is more dense than water

Oil is hotter than water

Oil is thicker than water

4. Which of these are examples of solutions? (Tick all that apply)

Sugar dissolved in water

Sand mixed with water

Salt dissolved in water

Oil mixed with water

📝 Part 2: Investigation Observations

5. When you mixed water and oil, what did you observe?

6. Describe what happened when food colouring was added to water. How long did it take to spread?

7. Compare your sand and water mixture with your sugar and water mixture:

Sand and water: ___________________________________________

Sugar and water: __________________________________________

8. Fill in the blanks using the words: suspension, solution, settles, dissolves

When sand is mixed with water, it forms a _____________ because the sand does not _____________ and will _____________ to the bottom.

When sugar is mixed with water, it forms a _____________ because the sugar completely _____________.

🧪 Part 3: Real-World Applications

9. Give two examples of suspensions you might find at home or school:

10. Give two examples of solutions you might find at home or school:

11. Extension Challenge: How do you think temperature might affect how quickly sugar dissolves in water? Design a simple test to find out.

Liquid Properties Investigation

Liquid Properties Investigation

🔬 Part 1: Liquid Properties Knowledge

📝 Part 2: Investigation Observations

🧪 Part 3: Real-World Applications

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