does anyone know tha answer in smart terms??.....=/
2007-04-08 09:10:39 · 13 answers · asked by chris 1 in Science & Mathematics ➔ Earth Sciences & Geology
It's a combination of the density of the object and the density of the fluid in which it is placed
2007-04-08 09:13:41 · answer #1 · answered by dudara 4 · 1⤊ 1⤋
Supply list: Empty water bottle Plastic pen cap( with the spike on the end) Some clay or putty Water Take the pen cap and plug the little hole at the tip nice and tight. Use some more clay or putty or and small weight (enough to keep the cap upright) and stick it on the end of the spike thing. Now fill the bottle with water almost all the way and drop the pen cap in. Make sure some air is trapped in it. Now cap the bottle up. To control the buoyancy, apply pressure to the bottle. As you squeeze the bottle, the air holding the pen cap up will compress, increasing density. It now sinks. Let go of the bottle and the pen cap will float up again. Try it out.
2016-04-01 03:57:29 · answer #2 · answered by Anonymous · 0⤊ 0⤋
density and bouyancy
http://www.chem1.com/acad/webtext/pre/density.html
Density is the amount of material packed into a certain volume. Ice cream
is more dense than popcorn.
Buoyancy is an upward force on an object immersed in a fluid. The deeper
you go in a fluid, the greater the pressure (force per area). That means
the pressure on the bottom of the object is greater than the pressure on
the top of the object since the bottom is deeper in the fluid than the
top. This net, upward, difference is the buoyant force on the
object. This is why a rock in water weighs less than a rock in air.
2007-04-08 09:16:16 · answer #3 · answered by natsuko1 3 · 0⤊ 0⤋
Did you ever notice that when something floats in water, part of it is
actually under water? As it sinks (even a little bit) it pushes away the
water until that amount of water weighs the same as the thing that is
floating. If the thing you try to float is too heavy, it cannot push
away enough water to be the same as how much it weighs. If that happens,
the thing will sink.
2007-04-08 09:27:03 · answer #4 · answered by natasha 2 · 0⤊ 0⤋
It is the ratio of the density of the material(that is immersed) to the density of the liquid (in which it is immersed). If the ratio comes out to be less than one then the object keeps floating , if it comes out to be greater than one then the object sinks and if it comes out to be exactly one then the object remains at its place of immersion.
Hope this helped u.
2007-04-08 09:26:59 · answer #5 · answered by Neeraj J 1 · 0⤊ 0⤋
The density of the object determines if it floats or sinks. If the density is greater than the density of the liquid it's in it sinks and if the density is less than the density of the liquie it's in it floats.
2007-04-08 09:14:09 · answer #6 · answered by nessime_loup 1 · 1⤊ 0⤋
Bouancy... I think that is the way you spell it. You can also figure the molecular weight of water to the molecular weight of air or another element. Ex. Oil on water. Air rising in water
2007-04-08 09:18:28 · answer #7 · answered by Big B 2 · 0⤊ 0⤋
its specific gravity....that is, it's density compared to water. Anything with a SG less than water (1) will float.
2007-04-08 09:13:44 · answer #8 · answered by Ken 3 · 0⤊ 1⤋
Well it all has to with with how dense the object is and how much mass it takes up.
2007-04-08 09:13:14 · answer #9 · answered by Anonymous · 1⤊ 1⤋
It's density.
2007-04-08 09:12:33 · answer #10 · answered by Pontius 3 · 1⤊ 0⤋