A: What is the lightbulb made of?
B: It's made of glass.
A: What is the bracelet made of?
B: It's made of silver.
A: What is the spoon made of?
B: It's made of steel.
A: What is the plate made of?
B: It's made of marble.
A: What is the statue made of?
B: It's made of china.
A: What is the pot made of?
B: It's made of clay.