Natural or Human-made Materials

Which materials can be natural and human-made?

• glass

• wood

• plastic

• feathers

Which materials can be natural or human-made?

• wool

• concrete

• plastic

• diamonds

Which material can be natural or human-made?

• steel

• pearls

• paperclips

• paper

Which material is human-made?

• nylon

• gold

• silver

• pearls

What natural material is glass made from?

• Limestone
• Clay
• Soda ash
• Silica (sand)

What natural material is silk made from?

• Silk is made from the cocoons of silkworms.
• Cotton fibers
• Synthetic polyester
• Wool from sheep

What natural material makes jumpers?

• Cotton
• Silk
• Polyester
• Wool

What natural material makes paper?

• Recycled metal
• Cotton fabric
• Plastic fibers
• Wood pulp

What human-made materials make plastic?

• Glass and ceramics
• Synthetic polymers derived from fossil fuels.
• Metals and alloys
• Natural fibers from plants

What human-made materials make steel?

• Lead and tin
• Aluminum and silicon
• Iron and carbon
• Copper and zinc