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increases
Yes, the more substance you have, the slower the temperature change.
The water level lowers. See the Related Question below for additional info.
the object would float on top of the water so the water level would change because of the heavy object
In that case, it will change direction twice - in this example, once when it changes over from water to glass, and once when it changes from glass to air.
increases
The pitch is governed by the length of the column of air in the bottle, so you can change that by adding or removing a liquid like water. Are you blowing across the top or striking the bottle?
A glass of ice water is an object.
Lower sound
Yes, the more substance you have, the slower the temperature change.
When all the ice melts (it will take a while with the water at 0C), the water level in the glass will not be in any danger of overflowing the container because water is one of those rare liquids that expands when it freezes. (This is why a closed glass container of water put into a freezer will break.) This means that it contracts as it melts.The specific water level of the glass will depend on how much ice was floating above the water level, but it won't be in any danger of overflowing. As a matter of fact, the water level will actually be lower than the rim of the glass.
When the ice melts the water level will rise. The water level will increase because Ice is frozen water and when the ice melts, it turns to water, which means more water will be added to the glass.
no
Falls and then rises
No. It is a physical change.
when glacier runs into the ocean it causes the water level to rise. just like when we add ice cubes to a glass of water. but when the icebergs melts water level remains the same. like when the ice cubes melt in a glass of water. it does not increase the amount of water in the glass. global warming is causing glaciers to run into the ocean causing water level to rise.
Rocks change water level bye ............................the weight of the rocks makes the water highterr ?