1. Which is not an example of a physical change to a wooden stick?
A) slicing wood shavings from the stick
B) bending the stick back and forth
C) burning the stick
D) chopping the stick in half
The answer is C. burning the stick. This is because burning the stick will change the chemical properties of the wood, and it will not be wood anymore, it will be ash and the rest will be heart or gas.
