Science
The observation, identification, description, experimental investigation, and theoretical explanation of phenomena is all part of science. Nothing is immune to the scientific process: from charm quarks that haven't existed naturally since the beginning of time to Pluto, recently demoted from planet to dwarf planet. Questions on knowledge about the material and physical aspects of our world are asked and answered here.
Subcategories
Astronomy
Biology
Chemistry
Earth Sciences
Energy
Geography
Inventions
Math and Arithmetic
Physics
Science Experiments
Social Sciences
Space Travel and Exploration
Units of Measure
All unanswered questions |New questions | New answers
In excess NaOH.
glycerol
No. Speed of sound is independent of pressure. It is a function of temperature.
Electrical power in SI is measured in watts, or joules per second. It is equal to current times voltage, which is also equal to...
Methane is called a marsh gas because it is formed by methanogenic organisms that can be found is marshes (thus concentrations...
if they didn't you couldn't see them
By using telescopes and launching robotic instruments as probes.
No, there is not. It is an automated system.
rocket works on the principle of newton's laws of motion
if you had a really cold water bottle and you left it outside in mild or hot weather it would have little drips going down it it...
The one with the smaller volume.
This is true to an extent in that, being doubtful or unsure about something gives one the desire to research and find out as much...
Remote sensing makes it possible to collect data on dangerous or inaccessible areas. This includes monitoring deforestation in...
First and foremost is that rigidity is essential for transverse waves to travel through the medium.But in longitudinal it is not...
When something burns, like a candle for instance, the substance acting as the fuel (e.g. the wax) becomes very hot and...
In fact, it isn't even a mixture. Ice cubes and distilled water both are just water in two different states.
mixing - dispersion
The next major meteor shower in this area will be the Leonid shower and will peak on November 18, 2010 at around midnight. It...
draw it backwards!!!
32
Magnesium nitrate: Mg(NO3)2
use this website address and you might find an answer to your question: ...
you need a flux capaciter and a 2k resister and your mum
The vast majority of animals do not perspire at all. Only selected mammals perform this function.
In the West, the rooster has been a symbol of a rising sun and starting a new day. In the East, specifically in China, the...
You can have many dependent variables. If you measure the length, width and height of a solid block of metal and have temperature...
Sound waves are a form of energy, so that energy may only be converted into another form. Energy can neither be created or...
Lithium-6 and lithium-7 are two different isotopes of lithium. All lithium atoms have 3 protons, but they may have different...
without light the leaf cant synthesise its own food and dradually dies due to lack of food.
reproduction is essential for the survival of a species; however a individual can live without reproducing
cheese is made by bacteria go Packers for Super Bowl 2011
Seeds
Yes. The high concentration of chemicals keeps for pool clean from bacteria, but is also strong enough to eat away at substances...
Oil in water emulsion.
Some of the reasons why hydroponics is being adapted around the world for food production are the following: No soil is needed...
Taps need not be made with metal.... But most taps are because they don't melt if hot water passes through............
a cake cooked in a pan
Organisms in streams need oxygen to live when lacking dissolved oxygen it will kill these organisms. edit: unless the organisms...
On basis of original work by experienced specialists and industrious doctors as well as consistent cooperation with professors...
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Have you googled how much home can I afrfod This is a very helpful first step.Try again with local banks.You need to make an...
For clarification, meteoroids are the lumps of stuff that falls into earth atmosphere and either disintegrates & burns up...
The only disadvantage I can think of is that tou should NOT swallow it. Trust me : (
-HW- D2O
Acorns grow on trees stupid
Element
hw lng does belposybiast
Potassium permanganate is a deep purple crystalline ionic solid, sometimes called Condy's crystals (used as a snake bite...
sand is carried farther than gravel because it weighs less and doesn't get stuck together.
Amplitude.
Glass, Clear Plastic, anything you can see through basically.
Matter(solid, liquid or gases)
A fluorescent lamp tube is filled with a gas containing low pressure mercury vapor and argon, xenon, neon, or krypton. The...
visual
Jhon, as a child, was very neurotic. it caused certain chemical out bursts in his nervous system, but, dispite his difference he...
Well there are four methods by which heat transfers from one area to another. They are, evaporation, convection, radiation and...
Yes it does, while heating or cooling by itself, so fixingthe temperature profile in front of it, inside itand beyond it. As the...
blood cells
The air resistence have on air is for example when your are riding a bike, the air is pushin against you, so the air resistence...
That depends on exactly what you mean. Neurologists specialize in non-surgical problems of the brain and nervous system such as...
It expands
Yes, Sulfur and Gold are yellow, mercury, and most metals are silver, silicon is Grey. Gaseous oxygen is transparent and Liquid...
All eukaryotic cells contain a nucleus, which contains their DNA, or genetic make up.
Fungi, or fungus, breaks down dead organisms into more simple nutrients, which end up mixed into the soil and used by plants so...
No force is required for an object to move with constant velocity, but you need a force to accelerate an object (make velocity...
It depends on the solution in which the reaction producing it occurs. A precipitate is formed when a product of a reaction in an...
compared to a non-digital camera, interesting facts about digital cameras include,but is not limited to: >displaying images on...
water weighs 8 lbs / gal gas weighs 5 lbs per gal.
Time is one of the units that hasn't been fully converted to metric, and probably never will be. Because all time (on earth) is...
It helps in the balance of organic and inorganic substances of our earth.
yes, a vacuum has no real effect on light unless were talking black-hole in which a laser would not be visible. a vacuum...
They come untied.
The egg is heaver per volume than the water.
red,orange,yellow,green,blue,violent
There are many, many active and inactive volcanoes all over the world. See the related link for a list of active and inactive...
An alloy is formed.
Not light rain (or snow or hail) but not heavy either.
Solidifications
It depends on the alkaline substance you use. A soluble ionic base, such as sodium bicarbonate (baking soda) or potassium...
First of all , chemistry is the reaction betweem two substances . Most of the things we do daily are considered chemistry like ,...
if you want the force - weight then it is 9.8 Newtons due to gravity, but if you want mass then it would just be 1kg
Yes. Any state changing is physical, unless it's a chrystal.
Pancreatic digest of casein, papaic digest of soybean meal, beef extract, peptone
Dependent on thr polar separation or "Polaris separratus" basically when the moon orbits around the sun it causes friction in the...
They don't need to be. :P That is because they are made to a certain tone or note. This note is determined by its diameter and...
First of all gases cannot turn in to plasma, it is the electrons ripped off from the gas that turns into plasma. And to search...
Buffer is a combination of acid/base and its salt, bicarbonate is an acid buffer which means H2CO3 and Na or K bicarbonate...
Salt water does cool faster than pure water, and it takes it down to lower temperature's, but I'm not too sure why.
True. But your method of playing it/what your playing depending on the tempo and rhythm it may make it lean towards or away from...
Carbon dioxide gas is transparent and under normal conditions you do not see it. However, it does form visible bubbles in...
Class 1
all esters, e.g. benzyl benzoate, ethyl propanoate, any ester is neutral
An object makes sound by releasing sound waves that travel through the air, which we call vibrations
The reason that some substances dissolve in water and others don't depends on their reaction to water. Hydrophilic (water loving)...
To become an Oncologist, or cancer specialist.... To become an Oncologist, or cancer specialist, a medical degree is the first...
A test-tube is a heatable glass tube with a round bottom in which chemicals (usually liquid, but not always) can be placed. The...
Bad stuff loked up on the internet
Milk is a mixed suspension. The ingredients in milk will precipitate into a solid part and an upper liquid part if left for a...
this is a badly worded question. By pure do you mean "formed of one type of molecule"? And what do you mean by plastic? there are...
Polyester and viscose are two different things. Polyester in different forms is used widely and Viscose is a viscous organic...