Properties of Matter

What is the difference between a physical change and a chemical change?

A physical change is an object's size, shape, or state of matter changes. Chemical change is when a substance changes into another substance

Solid:steel:gaseous:

Air

Physical:chemical:size:

Burning

Smell:rotton eggs:heat and light:

Burning logs

Physical:density:chemical:

Combustible

Chemical:rust:physical:

Condensation

Steam:water:water:

Ice

Burning:candle:rust:

Iron

Name some physical properties

Size, shape, color, melting point, magnetism, and boiling point

Explain how a pile of ashes has the same mass as the original log before it was burned. What is the law that defines this (assuming a completely dry log and no combustible products escaped in the air) called?

The law of conservation of mass

Gold:gold leaf:copper

Wire

Have you ever created a physical change? A chemical? Explain.

Yes, I made a seed grow into a plant