Question

which example illustrates a chemical change?
shredding paper
smashing a soda can
burning wood
chopping wood

Explanation:

A chemical change results in a new substance being formed. Shredding paper, smashing a soda - can, and chopping wood are physical changes as they only change the physical form, not the chemical composition. Burning wood is a chemical change as wood reacts with oxygen to form new substances like carbon - dioxide, water vapor, and ash.

Answer:

burning wood