Individual atoms may be heavier or lighter. Also, the spacing between atoms may vary.
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an objects sinks when its density is more than that of water...... that means when the density of the material is more than 1g/cm3
To float on water the object should have density less than that of water. But fork have density that is much more greater than that of water.Thus, a fork sinks in water.
Objects sink when the density of the object is more than that of the water.
Mass is the amount of substance an object can have
Density = Mass / Volume.This formula is true no matter what values you have for the object's mass andvolume. It makes no difference whether the mass is "less than" or "greater than"the volume (the two can't actually be thought of as less than or greater than eachother as they are measuring different things).To calculate density, divide the mass by the volume.If the mass is a smaller number than the volume, the result you get will be afraction or decimal. Do not be alarmed or intimidated. Numbers less than ' 1 'are also your friends, and they will not harm you. A density less than ' 1 'is a very special thing, and it has a special message for you if you listenfor it: If the object's density is less than ' 1 ', the object will float in water.Is that cool or what!