1. Natural Science Unit 4
MATERIALS
NATURAL AND MAN-MADE MATERIALS
PROPERTIES OF MATERIALS
Materials have different properties: resistant, fragile, flexible,
rigid, elastic, hard, soft, transparent, opaque, etc.
Natural materials come form
plants, animals or nature.
Man-made materials are made
from other materials.
Wood
Glass
Paper
wool
Stones /
RocksCotton
Sand
Metal
Fabric
Plastic
Resistant- Fragile Flexible- Rigid- Elastic
Hard- Soft Transparent - Opaque
Resistant
Hard
Fragile
Soft
Flexible
Transparent
Rigid
Opaque
Elastic