What is true A warm air is less dense than cool air B warm air is as dense as cool air. C warm air has no density. D warm air is denser than cool air?
Warm air is less dense than cool air.
What is true awarm is less dense than cooler air bwarm air is as dense as cooler air cwarm air has no density dwarm air denser than cool air?
Warm air is less dense than cooler air.
The density of a substance is compared to the density of water so that we would know if the substance is less dense or if it is denser.
The ocean is stratified with denser layers below less dense layers.
The density of water is 1000 gr cm-3 and the density of the Earth is about 5400 gr cm-3. So it's denser.
In the Mediterranean Sea the cool dense water sinks under less dense water which is called density current.
Denser than gases but (most often) less dense than solids.
Depends on the star. Our Sun is a little denser than water (140% the density of water, about 25% the density of Earth). A neutron star is as dense or denser than the nucleus of an atom. A red giant is much less dense than water. But this is to surfaces you cannot stand on, or put clamps onto to measure it.
If it is less dense, it will float If it is denser, it will sink.
If the object floats it is less dense than water, if it submerges it is denser than water.
yes the cool denser air sink while the warm less dense rises
If a liquid is more dense than another and the two are mixed, the denser liquid will settle to the bottom and the less dense liquid will "float" above
its less dense than cool air.
The density of the object goes through the less denser liquids until it gets to a liquid that is more dense than it. The first liquid that is denser than the object, the object will float on the liquid. My class did this in Science Class.
If A floats in B, then A is less dense than B. However, a steel ship floats in water, but steel is denser than water.
The less dense object will submerge LESS than the denser object...UNLESS they both are so dense that they BOTH TOTALLY SINK.
Is the angle of incidence is greater than the angle of refraction when light passes from a less dense to denser medium?
If you meant optical density by the term 'denser ' Then the answer is.... The light bends towards normal when it travels from a optically less dense medium to optically dense medium. So angle of incidence is greater than the angle of refraction
Density is the amount of mass per unit of space/volume. For example, water has a density of around 1 kg/liter because 1 liter of water has a mass of 1 kg. Something is less dense if the mass per volume is lower and more if it is higher. Oil floats on water because it is heavier than the same volume of water (less dense), but a stone will drop to the bottom because it has… Read More
it causes the difference in density, denser water flows to the less dense parts
Materials become denser as they get colder, unless, like ice, some other molecular force makes them less dense. Solids are denser than liquids, which are denser than gases. The colder a solid is, the more dense it becomes because each molecule's energy, which helps it repel the others, is less.
No. Since ice floats on water, ice is less dense than water. If air was denser than air, all the air would sink to the bottom of the sea. Thankfully air is less dense than water!
Urine is denser because of the impurities in the liquid. Pure (distilled) water won't have such impurities, so will be less dense.
Convection occurs whenever a less dense liquid is beneath a denser liquid.
Warm air is less dense than cool air masses because of their density levels.
-- If you're talking about physical density, then a more-dense substance has more mass than a less-dense one has in the same volume. -- If you're talking about optical density, then a more-dense medium has a higher refractive index (the speed of light is lower in it) than a less-dense one. Higher optical density does not necessarily also mean higher optical density, although I don't have a specific example to give you.
Relative density is the ratio of the density of a substance to the density of a given reference material. If a substance's relative density is less than one then it is less dense than the reference; if greater than 1 then it is denser than the reference. If the relative density is exactly 1 then the densities are equal
What will happen to the object that is denser and less dense than water when it is immersed in water?
An object which is less dense will float on the surface and the denser object will sink.
Its because of Density! If a substance is denser than the melting point will be higher than one that's less dense.
Density currents form when multiple fluids of different densities join together in a union. The denser liquid sinks quicker and they flow among the less dense fluid.
Yes, because the density of nylon which is 1.14, is denser than water, which is 1. Since substances that are denser than water, tend to sink, while substances that are less dense tend to float.
Absolutely! Not saying denser wood does not absorb at all, but it does absorb a far less amount than a softer, less dense wood.
Less dense. Sifting is usually done before measuring so there is less flour in the finished product. There are other factors that change the density of the product, but for the flour's part, sifting would make it less dense.
The Earth is denser than water.
No, the denser plate sinks under the less dense plate in a process called subduction.
The object's density relative to the fluid. If the object is denser than the fluid it will float; if it is less dense it will sink.
This is not a sensible question. There are many types of wood, and many types of metal. It depends which ones you pick. Balsa wood has a very low density, lignum vitae is much higher. Most woods are less dense than water (so they float) but a few are denser. Most metals are more dense than water, but a few, such as sodium and potassium are less dense. Overall, I suppose most metals are denser… Read More
Ice actually is denser than water. Like anything less denser than water, ice actually does float on water. The density of ice is 920 kg m-3 whereas the maximum density of water is 1000 kg m-3.
Water has a density of about 1 kg/liter, or 1000 kg/m3. Whether you call this "dense" or not would depend on a comparison with other substances; this is much denser than air, much less dense than most solids.
No. Warm air is less dense than cool air. At the same pressure, a gas will increase in volume as temperature increases. So the same mass divided by a larger volume means less density.
The denser cool air masses move underneath the less dense warm air mass and push the warm air upward
Using water is an example, anything that is less dense than water will float on water. Anything that is denser than water will sink in water.
Liquid water is denser because when water freezes, the water particles spread out as they solidify. This means that the same amount of particles take up more space, causing the density to decrease. Ice is less dense also because ice cubes float on liquid water. Less dense things float on more dense things.
Usually, substances are dense when cold and less dense when hot. Water is also not an exception. Water attains its maximum density at 4 degree Celsius (1gm/cc).
The density of the VOLUME of the ship is less than the density of the water it displaces (pushes out of the way). While the steel of a steel hulled ship is denser than water, the steel plus the air enclosed by the steel is less dense.
Less dense (warm) air rises. More dense (cool) air sinks. The two put together are convection.
If an object is denser than the liquid it is placed in, it will sink. If it is less dense than the liquid, it will float.
When a wave passes from a less dense medium to a denser one, most of the wave energy is answer is reflected FALSE
Saturn isn't denser than Earth. Saturn is about one eighth the density of Earth. It is less dense because it is mostly composed of hydrogen and helium while Earth is made mostly of rock and iron.
Of course less denser, because a gas is always less denser than liquid.
The density of an object determines whether it will float or sink in water. If the object is denser than water, it will sink. If it is less dense, it will float.
Whether an object sinks or floats depends on its density. Objects less dense than water will float. Objects denser than water will sink.