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it won't cuz
I have a marker which float in water.
Because salt water is denser. If you pour salt water and fresh water [one with food coloring] into a glass, the salt water will sink below the fresh water. You are only a bit denser than salt water.
A needle sink in water.
a balloon float on water
It depends on the shape of the fork and the material from which it is made. Most non-metal (wood, plastic) forks will float. Metal forks will sink unless they are shaped to have a large enough surface area on the bottom.
a solid ceramic object would sink. however, if the object is displacing enough water proportional to it's weight, then it will float. If you put an empty glass bowl in the water, it will float; but if you allow water in, it will sink. This applies to ceramics.
No, it is not. Oil and water do not mix. If you pour oil into water, the oil will float to the surface. If you pour water into oil, the water will sink to the bottom and the oil will float on top.
it won't cuz
I have a marker which float in water.
does Arsenic float or sink
Because salt water is denser. If you pour salt water and fresh water [one with food coloring] into a glass, the salt water will sink below the fresh water. You are only a bit denser than salt water.
it will float as long as it is not fully covered water.
Pour the oil and sand in a glass of water. The sand will sink to the bottom, and the oil will float to the top of the water.
scoria will sink but pumice will float.
Yes and no. Rubber bands can float and sink in water. They will float on the water for awhile and then will sink. But not all the time the rubber bands will float on the water for awhile. Sometimes it will immediately sink.
float