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What is one way you might be able to determine if it is a physical change?
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Is opening a box of matches a physical or chemical change?
it is physical change as you are not adding new chemicals and your are only changing the shape and it is revers able because once you open it you can close it again so it is definitely physical.
Is making an ice lolly a chemical reaction?
no don't be silly. it is a physical change because you are able to change it back to its original state. :)
As long as conditions such as what do not change the density of a substance dose not change?
the answer is tempature ask more questions and i might be able to answer them:):)
Is heating sugar physical or chemical change?
It is a physical change and only becomes a chemical change if the sugar is burnt.
Why is knowing just the speed at which a hurricane is traveling toward land not enough information to be able to warn people to evacuate?
Because the speed might change and the direction of travel might change. Hurricanes are not perfectly predictable.
Is a physical change a change of state?
Yes, it is a physical change. For if it was a chemical change, it would not be able to change back; but when you are just changing the state of the item/substance it can be changed back.
Is the change of state a physical?
Yes, it is a physical change. For if it was a chemical change, it would not be able to change back; but when you are just changing the state of the item/substance it can be changed back.
Is temperature change a physical or chemical change?
Temperature is the perception we have of the vibrational energy of the molecules in any substance. The faster they vibrate, the hotter the object. So the answer is physical.
When a cloud forms in the sky is that a physical or chemical change?
A physical change; more water vapour has joined the cloud, making it thicker and less able to allow light through.
Is opening a box of matches a physical or chemical change?
it is physical change as you are not adding new chemicals and your are only changing the shape and it is revers able because once you open it you can close it again so it is definitely physical.
Is heating sugar to make charcoal a chemical or physical change?
It is a chemical reaction and is undo able
Is heating sugar to make charcoal chemical or physical change?
It is a chemical reaction and is undo able
Is making an ice lolly a chemical reaction?
no don't be silly. it is a physical change because you are able to change it back to its original state. :)
Can you touch music?
If you have auditory-tactile synesthesia you might be able to feel music in the form of a physical touch.
As long as conditions such as what do not change the density of a substance dose not change?
the answer is tempature ask more questions and i might be able to answer them:):)
Can a physical change be reversed?
yes they can because if you freeze water that doesn't prevent you from being able to change the water back into its original state
Do parrots do chores for people?
No. Parrots are house pets and are not able to do tasks around the house. They might be able to mimic the sound of the voices in the house, but they are not able to be helpful in physical tasks.
