yes
The best way to know when a physical change is taking place is to observe. There will be a visible change in physical changes.
Physical because no reaction is taking place.
chemical change.
Yes.That's a physical change only.
Something that burns or is flammable would be a chemical change.
The was becomes liquid and drips down the rest of the candle.
physical... the matter itself does not change. That would imply that a chemical change is taking place
When fire burns logs, a chemical change is taking place. The heat from the fire causes the wood to undergo combustion, which is a chemical reaction that breaks down the wood's molecular structure and releases energy in the form of heat and light.
Because no chemical reaction is taking place. It is the same substance, just in a different state of matter.
Building a tower of magnetic blocks is a physical change because the blocks are simply being rearranged without any chemical reactions taking place. The properties of the blocks themselves remain the same.
When a candle burns the solid wax melts to liquid and then it gets oxidized. This change of solid in to liquid is a physical activities of changing the phase of a substance.
Yes, steam condensing on a mirror is a physical change. It involves the change of state from gas (steam) to liquid (water) without any chemical reaction taking place.