Properties of matter

Home work 2 (Grade 6)
Properties of matter
Making aluminum foil
Dyeing the bedsheet
Rotting banana
Melting of wax
Cutting a wire
Making a wire
Rusting of a hammer
Boiling of water
Burning wood
Using a wooden ladle in the kitchen
Name of the property used
Physical /Chemical
Why is burning of paper a chemical property?
What is density? What is its unit? What does it depend on?
What is the density of a block of wood that fits into a 4.06 m3 and weighs 20g?
Calculate the volume of 25kg of matter with the density of 2500 kg/cm3