Natural and synthetic materials – Did you know?

What is silk primarily produced by?

• The honeybee

• The butterfly

• The spider

• The caterpillar of the silk moth

What does the caterpillar do when it begins its transformation into a moth?

• It sheds its skin

• It spins a cocoon

• It flies away

• It lays eggs

What happens to the liquid silk when it comes into contact with air?

• It becomes sticky

• It changes color

• It solidifies

• It evaporates

How long is the silk thread spun by each silkworm?

• 100 meters

• 500 meters

• 1 kilometer

• 2 kilometers

What is the primary component of the cocoon threads?

• Nylon

• Wool

• Cotton fibers

• Thick liquid silk