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Examples: boiling, freezing, sublimation, evaporation, deposition etc.
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Does a physical change occurs when matter changes state?
no physical change does not change matter
When a physical change occurs in a sample of matter which is the matter that does not change?
composition
What is changed when matter undergoes a phisical change?
When matter undergoes a physical change (like changes in the state of matter), the space between the particles in the matter and how the particles move change.
What type of matter can change shape and volume?
The matter that can change shape and volume is gas.
What about matter can change and what does not change according to the law of conservation of matter?
mass cannot change quanity if it is not added or removed
Matter changes how it looks but not what it's made of?
Any matter that can go through the stages of gas liquid and solid
When a hammer break s a large rock into smaller pieces the broken rock is on example of what kind of change?
phyiscal change
Is a dry ice evaporating a physical change?
Of course. If you can change the solid to a gas you can turn the gas into a liquid then you can change the liquid into a solid. It is called changes of matter.
Color is a phyiscal change?
Color can be anywhere from a physcal change to a chemical change.
Is wood being slit in two pieces phyiscal change or chemical change?
It's physical
Why is breaking a glass a phyiscal change?
Breaking glass is a physical change because there is NO chemical difference ... from before to after.
Identify 1 phyiscal change that occurs as the candle burns?
The wax melts
Is bending a metal wire a chemial or phyiscal change?
Physical. The metal wire is still a metal wire after the change.
Is ice melting a chemical change or a phyiscal change?
It's a physical change because ice is just frozen water.
Is etching glass with acid a chemical or physical change?
It is a physical change caused by chemicals. Chemical changes are phyiscal changes.
Why is boiling of water considered a phyiscal change?
Because physical state of water is changed from liquid to vapour.
Is stapling an envelope a physical change or chemical?
A physical change
