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 22 minutes ago
ID3636310657
wrote the first answer to How long does it take to go out of your galaxy 57 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
Yes, there is oxygen in the ionosphere - but very little. You would not survive if you were exposed to it. It is the last layer...
Popularity: 2 • Tools: Recategorize
The Moon has no atmosphere. It is through atmosphere that light is dispersed (spread) and sound waves travel (light waves and...
Popularity: 2 • Tools: Recategorize
I don't believe any Earth is used in solar energy since solar energy is when the light of the sun is converted to energy used on...
Popularity: 2 • Tools: Recategorize
Actually its red.. because it has the longest wavelength... white is the band of colors (just in case) XD
Popularity: 2 • Tools: Recategorize
Cataracts. Google Fred Hollows from Australia and you will learn lots about it.
Popularity: 2 • Tools: Recategorize
Every day. full moons are on fridays i think
Popularity: 2 • Tools: Recategorize
Yes, since gene is a fragment of DNA. It is the part of the DNA which codes for proteins.
Popularity: 2 • Tools: Recategorize
Erosion is the movement of rocks to move from one place to another then the next step is deposition.
Popularity: 2 • Tools: Recategorize
The process happens like this: In Sudan every year at the end of April, temperature began to increase more and more up to (49-50...
Popularity: 2 • Tools: Recategorize
fine jewelry ,and decorations
Popularity: 2 • Tools: Recategorize
Celsius/Centigrade is used based on the temperature of water, melting point being 0oC and boiling point, 100oC, Kelvin is a scale...
Popularity: 2 • Tools: Recategorize
energy involved in all forms of movement
Popularity: 2 • Tools: Recategorize
The speed of sound is dependant on both the temperature and the properties of the medium through which it is travelling. In...
Popularity: 2 • Tools: Recategorize
water fish and other things like elgy and other sharks stuf like that... :)
Popularity: 2 • Tools: Recategorize
Molecules are very microscopic, so you would not be able to see a water molecule. This is on an atomic level, by the way.
Popularity: 2 • Tools: Recategorize
Reggae. Probably Coffee too.
Popularity: 2 • Tools: Recategorize
George Washington Carver is the best one I can think of.
Popularity: 2 • Tools: Recategorize
Because it is more dense
Popularity: 2 • Tools: Recategorize
Large mass (in astronomical terms) bend and distort the fabric of spacetime.
Popularity: 2 • Tools: Recategorize
Protons, Neutrons and Electrons
Popularity: 2 • Tools: Recategorize
The Richter scale.
Popularity: 2 • Tools: Recategorize
An organism must inherit two recessive alleles: one from each of their parents.
Popularity: 2 • Tools: Recategorize
It's mass and the net force acting on it
Popularity: 2 • Tools: Recategorize
Fruitfly, scientifc name Drosophila melanogaster (dew-loving black-belly), is a model organism used in biological studies. Since...
Popularity: 2 • Tools: Recategorize
The body perspirates, or sweats, as a natural instinct to cool down. When water evaporates, it absorbs energy from a nearby...
Popularity: 2 • Tools: Recategorize
It means you are really smart.
Popularity: 2 • Tools: Recategorize
When a chemical change occurs, there are two types of ways heat can be involved. In an endothermic reaction, more heat enters the...
Popularity: 2 • Tools: Recategorize
Reusable resource- A natural resource that is renewed by natural cycles and can be used more than once;an inexhaustible resource.
Popularity: 2 • Tools: Recategorize
...sailing
Popularity: 2 • Tools: Recategorize
nucleons (protons and neutrons)
Popularity: 2 • Tools: Recategorize
several ways i.e. convection, conduction etc., but in general the air molecules are accelerated by high energy "heat" and they...
Popularity: 2 • Tools: Recategorize
Sliding kinetic friction, and rolling kinetic friction.
Popularity: 2 • Tools: Recategorize
It costs About 100$ a gram more or less
Popularity: 2 • Tools: Recategorize
A Rectangle
Popularity: 2 • Tools: Recategorize
the answer is diffusion, its not active its passive transport
Popularity: 2 • Tools: Recategorize
metals never burn the same color *EDIT* Actually, ions such as Ca2+, Sr2+, and Li+ burn shades of red that are nearly impossible...
Popularity: 2 • Tools: Recategorize
All fish have swim bladders. The bladder is what enables them to maintain buoyancy in the water. Without it, they would have to...
Popularity: 2 • Tools: Recategorize
If you lower the temperature, the conductor carrying the flow of charge will offer less resistance. An example would be to cool...
Popularity: 2 • Tools: Recategorize
the particles that make up an atom are; a proton/protons a neutron/neutrons an electron/electrons these are also made up of...
Popularity: 2 • Tools: Recategorize
A person built a water farm. He put bores down into the ground to extract saline groundwater. He pumped the water into clear...
Popularity: 2 • Tools: Recategorize
Earth's electromagnetic field.
Popularity: 2 • Tools: Recategorize
darcy is at home doin homework then she os going to go play softball then go to volleyball
Popularity: 2 • Tools: Recategorize
Yes. the phenotype is the visible manifestation of a genotype. In the example of fruit flies, if red eyes are dominant and white...
Popularity: 2 • Tools: Recategorize
Metals are found in so many groups it is easier to list the groups that do NOT contain metals- these are 17 and 18. Some groups...
Popularity: 2 • Tools: Recategorize
Meiosis, the cells basically duplicate into 4 identical ones.
Popularity: 2 • Tools: Recategorize
Forensics uses many forms of science to prove criminal behavior. Chemicals are used to show blood on any object, chemicals are...
Popularity: 2 • Tools: Recategorize
Science is what keeps us alive. It creates medicines and medical technologies. It also advances our society. And math is said by...
Popularity: 2 • Tools: Recategorize
Heat is transferred through convection. Google 'Convection'
Popularity: 2 • Tools: Recategorize
Absolutely. Initially, the effect would be physical force (any magnetic field pushes on an electric or magnetic charge it comes...
Popularity: 2 • Tools: Recategorize
Japan just two days ago. However there are two types of quakes. Plates running Side by side and plates running up an down
Popularity: 2 • Tools: Recategorize
The binding energy is by definition the energy required to separate the constituents of the nucleus to an extent that nuclear...
Popularity: 2 • Tools: Recategorize
action an reaction
Popularity: 2 • Tools: Recategorize
When heat is applied to metal: It expands the metal Makes it hotter (Obviously) Makes it more maliable (Bendy) Can change its...
Popularity: 2 • Tools: Recategorize
This was Margaret Thatcher, UK prime minister from 1979-1990.
Popularity: 2 • Tools: Recategorize
Burning trash creates carbon monoxide and carbon dioxide. Carbon monoxide is poisonous whereas carbon dioxide is a greenhouse gas...
Popularity: 2 • Tools: Recategorize
Pressure affects the density of air by increase of pressure increases the density
Popularity: 2 • Tools: Recategorize
Salt candissolve ice, so the salt in sea water act like a antifreeze. Sea Water would probably start freezing at - 15C
Popularity: 2 • Tools: Recategorize
sound will travel through air (gas), the slowest. Because the molecule sin the air are farther apart. Actually rubber it will...
Popularity: 2 • Tools: Recategorize
The atmospheric temperature would go down, oxidation and rust would increase, and animals would breathe more slowly to get the...
Popularity: 2 • Tools: Recategorize
27 multiplies with 2.54 = 68.58 cms there are 2.54 cm in one inch. 27 inch * (2.54 cm/1 inch) = 68.58 cm in 27 inches. you...
Popularity: 2 • Tools: Recategorize
sweet yummy goodness.(NEW ANSWER)There is not a scientific name for all fruits. Botanically speaking, all fruits are the...
Popularity: 2 • Tools: Recategorize
Quercus rubra is the scientific name for Northern Red Oak.
Popularity: 2 • Tools: Recategorize
DNA is a polynucleotide which is the genetic material of all living cells. It is made up of units called nucleotides. Nucleotides...
Popularity: 2 • Tools: Recategorize
pitch.
Popularity: 2 • Tools: Recategorize
burn it and it give off heat which is transferred into energy
Popularity: 2 • Tools: Recategorize
First of all, solder is metal alloy with a low melting point at 200 to 840 degrees Fahrenheit. A soldering iron is a tool used to...
Popularity: 2 • Tools: Recategorize
nuclear plants need to cool of the reactors. The water gets hot past evaporating temperatures but because it is inside a chamber...
Popularity: 2 • Tools: Recategorize
about 1,100 died. I don't know how many survived. :/ in 1984, 300,000 people were killed but i dont know how many people survived.
Popularity: 2 • Tools: Recategorize
The west coast (mostly north of San Fransisco) & Yellowstone Park.
Popularity: 2 • Tools: Recategorize
At its most basic level, just the electrons that can be coaxed from their positions in the valence bands of atoms. Some of the...
Popularity: 2 • Tools: Recategorize
I do not know. Sorry.
Popularity: 2 • Tools: Recategorize
Conductor
Popularity: 2 • Tools: Recategorize
Stars only appear at night because in the day, the Earth rotates, so we are facing the Sun, therefore, we cannot see any stars...
Popularity: 2 • Tools: Recategorize
a screwdriver handle would be an insulator, i reckon, because if it was a conductor that would be stupid and if you were using it...
Popularity: 2 • Tools: Recategorize
It depends what you have 150 milliliters of.If you have 150 milliliters of pure water, it will weigh 150 grams.
Popularity: 2 • Tools: Recategorize
In an experiment, the control is the group to which nothing is done. It serves as a baseline to measure any changes that might...
Popularity: 2 • Tools: Recategorize
How bacteria makes their food. (Like a plant, only different materials) LucilleBall 1Fan
Popularity: 2 • Tools: Recategorize
Molecules pass through the plasmodesmata in the cell membrane to get in or get out of the cell. Organelles move around the cell...
Popularity: 2 • Tools: Recategorize
Density is equal to mass divided by volume.
Popularity: 2 • Tools: Recategorize
Yes in a way, and no in a way. In a blind study, the control group will be the group that is administered the placebo, the sugar...
Popularity: 2 • Tools: Recategorize
miles, yards, feet, inches for standard kilometers, centemeters, millimeters for metric
Popularity: 2 • Tools: Recategorize
Two of the basic differences are their chemical structures and methods of production, explained quite well in the links below....
Popularity: 2 • Tools: Recategorize
Yes. Copper will be etched by iron nitrate solution.
Popularity: 2 • Tools: Recategorize
No, they do not have to breed to lay eggs.If you don't get it, think of it this way: an egg is laid by a hen roughly every 25 hrs...
Popularity: 2 • Tools: Recategorize
A deep-water wave.
Popularity: 2 • Tools: Recategorize