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What else can I help you with?
How do you know when a physical change is taking place?
The best way to know when a physical change is taking place is to observe. There will be a visible change in physical changes.
Are clouds a physical or chemical change?
Physical because no reaction is taking place.
What physical change is shown taking place in burning wood?
chemical change.
When candle is broken in half does this indicate that only a physical change is taking place?
Yes.That's a physical change only.
Is flammable a chemical or a physical change?
Something that burns or is flammable would be a chemical change.
What evidence is there when a candle burns that a physical change takes place?
The was becomes liquid and drips down the rest of the candle.
What type of change is a state of matter?
physical... the matter itself does not change. That would imply that a chemical change is taking place
When fire burns logs what kind of 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.
Why is a phase change a physical change and NOT a chemical change?
Because no chemical reaction is taking place. It is the same substance, just in a different state of matter.
What is building a tower of magnetic blocks Physical or chemical change?
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.
What evidence tells you that phyisical porperties take place in a candle as it burns?
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.
Is steam condensing on a mirror a physical change?
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.
