🔬 Part 1: Understanding Matter Properties

1. Which properties stay the same no matter how much of a substance you have?

Volume and mass

Density and melting point

Weight and size

Color and shape

2. A cup of water and a lake are both made of water. Which properties would be different?

Volume

Mass

Density

Boiling point

3. Why do scientists use density to identify substances?

Because density changes with temperature

Because density stays the same regardless of sample size

Because density is easy to measure

Because density depends on volume

4. Fill in the blanks: Properties that change with the amount of matter are called _____________ properties. Properties that stay the same are called _____________ properties.

📊 Part 2: Investigation Data Recording

5. Record your measurements for each substance tested:

Water Sample:

Volume: _______ mL Mass: _______ g Density: _______ g/mL

Melting Point: _______ °F Boiling Point: _______ °F

Salt Sample:

Volume: _______ mL Mass: _______ g Density: _______ g/mL

Soluble in water? _______ How quickly? _____________

Vegetable Oil Sample:

Volume: _______ mL Mass: _______ g Density: _______ g/mL

Soluble in water? _______ What did you observe? _____________

6. Based on your data, which properties stayed the same when you tested different amounts of the same substance?

7. Which properties changed when you had more or less of a substance?

🤔 Part 3: Analysis and Real-World Connections

8. A scientist finds an unknown metal sample. Explain how they could use density to identify it, even if they only have a small piece.

9. Why would an engineer need to know the difference between extensive and intensive properties when designing a bridge?

10. Create a T-chart below showing properties that depend on amount vs. properties that don't depend on amount:

Matter Properties Investigation

Matter Properties Investigation

🔬 Part 1: Understanding Matter Properties

📊 Part 2: Investigation Data Recording

🤔 Part 3: Analysis and Real-World Connections

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