Physical changes included all of these except
When a cloth is cut into a new size and shape, a new substance if formed.
Water evaporating to become steam is an example of a....
When sugar is dissolved into water, a new substance is formed
___________________ has many indications of a chemical change
Burning wood turns the wood into ash (a new substance) and so we identify it as a PHYSICAL change.
Which of these is NOT a chemical change
Which of these is NOT a clue that a chemical change is happening
A rock breaks apart after falling to the ground. Do you think this is a physical change or a chemical change?
Liquid water evaporated and becomes steam. Do you think this is a physical change or a chemical change?
You begin mixing together flour, water, milk, eggs and chocolate chips to make cookies. Is this a physical change or a chemical change?
You put the cookie dough in the oven. It starts to puff up with steam and smell delicious. Is this a physical change or a chemical change?
An unlit firework falls to the ground and breaks apart. Is this a physical change or a chemical change?
The firework catches on fire and explodes. Is this a physical change or a chemical change?
The changing states of matter (Freezing, melting, evaporation, etc.) are _________________ changes.
For a chemical change you must start and end with ______________ molecules.