🔬 Part 1: Understanding Material Classification

1. What is material classification? Write your definition below:

2. Why do scientists classify materials? Circle the best answer:

To make science more complicated

To help us understand and choose the right materials for different uses

To create more work for students

Because materials look pretty when organised

3. Fill in the blanks:

Materials can be classified based on their _____________ such as hardness, flexibility, _____________, and conductivity. This helps us understand why _____________ is used for windows but not for chairs.

🏠 Part 2: Everyday Materials Brainstorm

4. List 10 different materials you can find in your home or school:

1. _________________________

2. _________________________

3. _________________________

4. _________________________

5. _________________________

6. _________________________

7. _________________________

8. _________________________

9. _________________________

10. ________________________

5. Which of these materials are commonly found in New Zealand homes? Check all that apply:

Kauri wood

Plastic

Glass

Steel

Concrete

Fabric

Rubber

Aluminium

⚡ Part 3: Material Properties

6. Match each material property with its correct description:

1. Hardness

2. Flexibility

3. Transparency

4. Conductivity

A. How well a material allows electricity to pass through

B. How much a material can bend without breaking

C. How much light can pass through a material

D. How resistant a material is to being scratched or dented

7. For each material below, circle whether it is HARD or SOFT:

Steel: HARD / SOFT

Rubber: HARD / SOFT

Glass: HARD / SOFT

Fabric: HARD / SOFT

Diamond: HARD / SOFT

📊 Part 4: Material Classification Table

8. Complete the classification table below by filling in the missing information:

Material	Key Properties	Example Use
Glass	Transparent, hard, brittle	_________________
_________________	Strong, hard, conducts electricity	Building frames, tools
Plastic	_________________	Bottles, containers, toys
Wood	Natural, can be hard or soft, insulator	_________________