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.
Total questions 565100
ID1168875741
asked A variable that changes as a result of the other variable and said it was different from What type of variable is affected by the independent variable 20 minutes ago
ID3636310657
wrote the first answer to How long does it take to go out of your galaxy 56 minutes ago
ID1246057749
wrote the first answer to What best describes cellular respiration 26 May 2012 21:10
Stephen Lujan [0]
wrote the first answer to Why did Neil Armstrong step on the moon 26 May 2012 21:04
As the temperature of the liquid expands as its temperature rises it only has one place to go and that is up the thin tube.
Popularity: 36 • Tools: Recategorize
Tagua Nut , fruit of the ivory-nut palm ( Phytelephas macrocarpa ), which flourishes in tropical America from Paraguay to Panama....
Popularity: 35 • Tools: Recategorize
From the soil by the roots or fixation from the air
Popularity: 35 • Tools: Recategorize
bladder part of small intestine
Popularity: 35 • Tools: Recategorize
You can mix it with sweat and body heat! lol!
Popularity: 35 • Tools: Recategorize
Not correct. sin2alpha + cos2alpha = 1
Popularity: 35 • Tools: Recategorize
Yes. We did this experiment today and it worked. But I don't know why.
Popularity: 35 • Tools: Recategorize
Yes, it is. You aren't altering the chemical composition at all - it's still copper - you are merely changing its shape.
Popularity: 35 • Tools: Recategorize
wavelength = (speed) / (frequency) = (300,000,000) / (1,300,000) = 230.77 meters (rounded)
Popularity: 35 • Tools: Recategorize
oxygen is an element! oxygen by itself is O2.
Popularity: 35 • Tools: Recategorize
Scientific notation is composed of three parts called the "coefficient" (or "significand"), the "base" and the "exponent"....
Popularity: 35 • Tools: Recategorize
Because hydrogen is extremely flammable and dangerous.
Popularity: 35 • Tools: Recategorize
DNA and RNA :Deoxyribonucleic acid and ribonucleic acid.
Popularity: 35 • Tools: Recategorize
Oscillation is the repetitive variation, typically in time, of some measure about a central value (often a point of equilibrium)...
Popularity: 35 • Tools: Recategorize
It's called wavelength & it is denoted by 'lambda'.
Popularity: 35 • Tools: Recategorize
Not if you live in a desert, yes if you live near water with a large tidal range.
Popularity: 35 • Tools: Recategorize
The Troposphere, Stratosphere, Mesosphere and Thermosphere are gases. These are the layers that make up the atmosphere. The...
Popularity: 35 • Tools: Recategorize
no it has a small amount of hydrogen believed to be left over from the big bang
Popularity: 35 • Tools: Recategorize
rays are converge
Popularity: 35 • Tools: Recategorize
See the wikipedia entry of "Shape-memory polymer", Some amazing applications are security label and multi-pede chair. Shape...
Popularity: 35 • Tools: Recategorize
Sunlight bounces around in the atmosphere, extending the length of the day both in the morning (before sunrise) and after sunset,...
Popularity: 35 • Tools: Recategorize
Refraction. Due to the curved lens in the eye, and the difference of transparent medium from air, Snell's law applies. The shape...
Popularity: 35 • Tools: Recategorize
then power is the rate at which energy is transferred
Popularity: 35 • Tools: Recategorize
Tissue paper is not very dense. I assume it is one piece and is on a flat surface. When blowing down straight and in the middle,...
Popularity: 35 • Tools: Recategorize
Loudness N is measured in in sones. Loudness Level NL is measured in phons.Sound pressure level is measured in dBSPL, where the...
Popularity: 35 • Tools: Recategorize
well if your talking about friction it would be Static friction
Popularity: 35 • Tools: Recategorize
Helium is unreactive. What does happen is the helium diffuses through the balloon and escapes into the air. This is why they stop...
Popularity: 35 • Tools: Recategorize
toward the equator.
Popularity: 35 • Tools: Recategorize
it is silly
Popularity: 35 • Tools: Recategorize
EM require no medium.
Popularity: 35 • Tools: Recategorize
Daemon Tools Lite 4402-0131 serial number
Popularity: 35 • Tools: Recategorize
If it is an ideal gas, then 0.409 ATM. The governing equation is pv=nrt. Everything on the right side of the equation is constant...
Popularity: 35 • Tools: Recategorize
The Independent variable is the one that you can manipulate.
Popularity: 35 • Tools: Recategorize
Light bulb and microwave oven.
Popularity: 35 • Tools: Recategorize
An empty regular soda can will float by itself because of density lower than that of water. The reason it will be lighter than...
Popularity: 35 • Tools: Recategorize
by applying water on the floor.
Popularity: 35 • Tools: Recategorize
No
Popularity: 35 • Tools: Recategorize
The stickiness of tape would be a physical property. Change is not necessarily relevent to this phenomenon. You wouldn't be...
Popularity: 35 • Tools: Recategorize
It depends on what you are measuring, and the accuracy desired. The volume of substances, and even the capacity of your...
Popularity: 35 • Tools: Recategorize
Sitting in a chair, gravity is pulling down while the chair is holding you up does this answer your question??
Popularity: 35 • Tools: Recategorize
Phosphorous was originally obtained from old bones. Hence the original recyclers, the "Rag and Bone Man". Today it is refined...
Popularity: 35 • Tools: Recategorize
Nephrite, greenstone or Pounamu was traded between the southern and northern parts of New Zealand. It is mainly found on the west...
Popularity: 35 • Tools: Recategorize
no. Only during chemical change.
Popularity: 35 • Tools: Recategorize
They provide plastics, pvc and various oils like bitumin used in road formation, also petroleum jelly
Popularity: 35 • Tools: Recategorize
The rate of boiling depends on a quantity called specific heat. The more is specific heat the more heat is required to raise the...
Popularity: 35 • Tools: Recategorize
Stepdown Transformer.
Popularity: 35 • Tools: Recategorize
The most obvious way to tell is if he is erect or not. duh! lol
Popularity: 35 • Tools: Recategorize
The answer is mitochondria. Athletes have more muscles, therefore more mitochondria, which are abundant in muscle cells.
Popularity: 35 • Tools: Recategorize
The earth's shape (almost spherical) has absolutely no influence on the seasons, which are associated with the inclination of its...
Popularity: 35 • Tools: Recategorize
Fill the bath right up to the overflow. Rig the overflow to a large container. Put me in the bath, so I float. Catch all the...
Popularity: 35 • Tools: Recategorize
order is less specific, it's: domain, kingdom, phylum, class, order, family, genus, species and the scientific name of an animal...
Popularity: 35 • Tools: Recategorize
if the the matter is solid the speed of sound can go up like the case with steel. sound goes through steel at 5X (3,805 mph) the...
Popularity: 35 • Tools: Recategorize
Sunspots are believed to be the sites where solar flares are generated. Sunspots are known to be "storms" on the sun's surface,...
Popularity: 35 • Tools: Recategorize
A Laser (Light Amplification by Stimulated Emission of Radiation) is "coherent" light. That means that all of the light is...
Popularity: 35 • Tools: Recategorize
They Form Iron sulfide in the proportion 7:14 if its not in this proportion it is left behind. You can test it with adding more...
Popularity: 35 • Tools: Recategorize
She was Canada's first female astronaut and she was the first neurologist in space.
Popularity: 35 • Tools: Recategorize
As you increase in altitude above the planet, there are fewer molecules. One way to think of this is that at the top of the...
Popularity: 35 • Tools: Recategorize
Sweeper Gady
Popularity: 35 • Tools: Recategorize
Friction is a force that always works against motion. Just imagine pushing a boxacross the floor. Does it slow down? Yes. This is...
Popularity: 35 • Tools: Recategorize
Yes, the biosphere is all of the organic (plant and animal) life on Earth.
Popularity: 35 • Tools: Recategorize
Thermal expansion in solids is normally very small - typically around one part in one hundred thousand for a one Kelvin...
Popularity: 35 • Tools: Recategorize
the reason soda makes mold grow faster is because soda is high in sugar and sugar is food for mold.
Popularity: 35 • Tools: Recategorize
An ancient Greek, Democritus, hypothesized all things were made of atoms and that nothing could be smaller than atoms. Albert...
Popularity: 35 • Tools: Recategorize
The longest day of the year, the North Pole receives 24 hours of sunlight on 6/21.
Popularity: 35 • Tools: Recategorize
Hm, well a charged particle is generally called an ion, but water isn't considered a charged particle. It is the universal...
Popularity: 35 • Tools: Recategorize
What are the bubbles in boiling water? They are gaseous water and air. what will happen if you continue to boil the water? The...
Popularity: 35 • Tools: Recategorize
A year. unless thats not what you meant
Popularity: 35 • Tools: Recategorize
Fighting diseases or disorders and improving the physical abilities of people.
Popularity: 34 • Tools: Recategorize
A round tootsie roll.
Popularity: 34 • Tools: Recategorize
Don't. Don't subject them to any loud or continuos noise, they're very sensitive creatures. You'll turn them into nervous wrecks.
Popularity: 34 • Tools: Recategorize
No. They weigh progresively less as the fuel/wax is burnt off and converted into gases. The flame hovers OVER the candle and...
Popularity: 34 • Tools: Recategorize
The pressure at the bottom of a column of fluid is (rho)gh, where rho is the density of the fluid g is the acceleration due to...
Popularity: 34 • Tools: Recategorize
That depends upon how quickly mankind destroys it. If it is maintained and protected it could last indefinitely.
Popularity: 34 • Tools: Recategorize
You will weigh more at the North or South pole than you will at the equator. The difference will be extremely small. (from the...
Popularity: 34 • Tools: Recategorize
How Magnets Work Alignment of the outer valence electron orbitals in iron. Every atom in iron has a north side and a south...
Popularity: 34 • Tools: Recategorize
AnswerWithout going into rigorous scientific detail, an atomic bomb works by nuclear fission. That is large atoms, namely uranium...
Popularity: 34 • Tools: Recategorize
Solid chemicals should be handled using a spatula, tongs, or similar tool for two reasons: 1) So you don't get hurt if the...
Popularity: 34 • Tools: Recategorize
No one invented static electricity. It is a natural occurrence, however Around 600 BCE, a Greek mathematician named Thales was...
Popularity: 34 • Tools: Recategorize
Simple. It always was. Time begins when matter began, so, simply put, it's always existed.
Popularity: 34 • Tools: Recategorize
D-aspartic acid,D-glutamic acid ,d-lysine,D-alanine,D-leucine,D-isoleucine,D-methionine etc....
Popularity: 34 • Tools: Recategorize
A Toner Cartridge holds toner and dispenses it as needed to make copies (in a copier) or to prints pages (in a printer). Another...
Popularity: 34 • Tools: Recategorize
Corrosion is a chemical reaction in which molecules break down due to a chemical reaction with it's surroundings. Most often,...
Popularity: 34 • Tools: Recategorize
Buy resin in hardware store, follow direction. Sign : B.L. This guy has posted an excellent...
Popularity: 34 • Tools: Recategorize
Based on a United Nations report released in 2003 and reported by BBC News, about 25,000 people die each day from starvation....
Popularity: 34 • Tools: Recategorize
Qualitative means what is it while quantative means how much is there. Some examples of qualitative data might be whether a...
Popularity: 34 • Tools: Recategorize
Qualitative observations are those that provide a sense of observed parameters or changes without reference to numerical or...
Popularity: 34 • Tools: Recategorize
The SI unit to measuring mass is the kilogram.
Popularity: 34 • Tools: Recategorize
Visual inspection of cells (bacterial, cell cultures), immuno-staining (localisation of a protein of interest), microinjection,...
Popularity: 34 • Tools: Recategorize
I believe that it is a look for side by side view. A parallax view is a parallel look _ _
Popularity: 34 • Tools: Recategorize