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Well as far as i know, when light enters water, it is refracted (bent), this makes the object that the light hits appear to look different as it wold in the air.
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∙ 14y ago
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Why does water change the appearance of a penny?
the calcuim diposits into them
Why does the way water change from one state to another compare to the way other substances change?
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How can water change the appearance of a river delta?
It breaks open rocks (erosion)
Is water being split to form two new substances hydrogen and oxygen a change of state?
No. It is a chemical change. Simply boiling water would be a change of state.
When sugar is dissolving is that a chemical or physical change?
The change is physical because the change is reversible. Evaporate the water and you are left with the sugar, no new substances are produced; the sugar stays sugar and the water, water.
Which Substances change directly from steam to gas?
Steam is gas. Gaseous water to be exact.
What type of substances can make th pH of water change?
Both acids and bases.
Which substances will show the smallest change in temperature when equal amounts of energy are absorbed?
water
Why is mixed sand and water physical change?
because it is reversible and no new substances are formed
What is one thing that will happen in order to signify a chemical change?
If I understand your question correctly, it would be a change in composition that signifies a chemical change. Physical changes are only appearance, while a chemical change alters the substances' entire composition.
Gold is hammered into thin sheets physical or chemical change?
In a chemical change a substance undergoes a change in chemical composition. The appearance of the gold was changed in this case and not chemically combined with other elements to form new substances. Thus, this change is a physical change.
Why did the water pH change?
The water pH will change when substances are added to water. If the pH is more than 7 it makes the water basic and if it is less than 7 the water is acidic.
