🔬 Part 1: Investigation Planning

Research Question: ________________________________________________

Hypothesis: I predict that _________________ will be the best material because _________________________________________________

Variables:

Independent variable (what I will change): _________________________________

Dependent variable (what I will measure): __________________________________

Controlled variables (what I will keep the same): ________________________

Safety considerations:

🧪 Part 2: Material Properties Analysis

a) Flexibility for sports equipment:

b) Transparency for safety goggles:

c) Thermal conductivity for cooking pots:

Justify your matches using scientific reasoning:

⚗️ Part 3: Reversible and Irreversible Changes

Reversible change experiment:

Irreversible change experiment:

📊 Part 4: Observations and Data Recording

Key vocabulary to include: particles, properties, density, conductivity, durability, hypothesis, variables, evidence

🌏 Part 5: Real-World Applications

Traditional use: ________________________________________________

Natural material: ____________________________________________

Key properties: _____________________________________________

Plastic item: _______________________________________________

Alternative material: _____________________________________

Scientific justification: