Give examples of chemical and physical changes of matter.?

Question

Give examples of chemical and physical changes of matter.?

Answer 1

chemical- leaves changing color

physical - snowmelting

Answer 2

chemical, it changes but you can't physically see it.

physical, it's still the same components just a different look.

example::

a balled up piece of paper, and a flat piece of paper.

it's still paper, just looks different.

Answer 3

chemical is like water freezing or evaporaing and wood burning

phisical is like breaking wood and just changing the phisical appearance

Answer 4

physical change=cutting a piece of paper with scissors

chemical change=burning a piece of paper

Answer 5

a physical change is any phase change from solid to liquid to gas.  a chemical change example would be burning (reacting with O2)

a physical change can be undone by reversing what was done, a chemical change cannot be

Answer 6

physical example-sugar into caramel

chemical-sugar disolved into water

Answer 7

Chemical:

When chemically equal amounts of HCl and some Drain Cleaners mix, you can get pure water.

Physical:

Melting ice into water.

Answer 8

Physical - The substance remains the same.  Melting ice, boiling water, chopping food, splitting wood.

Chemical - A new substance is formed.  Burning anything, mixing chemicals to create fizzing/new smells/color changes, etc.