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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 plant. Questions on knowledge about the material and physical aspects of our world are asked and answered here.
Total questions 246800
What safety rules should be followed in a science laboratory?
Safety Equipment For A Lab Gloves -- these should be approved gloves for the experiment and the materials being used Safety Lead...
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Why does bottled water have an expiration date?
All companies that produce consumables must, by federal law, have an expiration date on it. Since bottled water is a consumable...
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How do you know if a turtle is male or female?
First, look at the belly. The belly of a female turtle is convex meaning it is rounder. The belly of a male is concave meaning it...
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Why are the rear tires of a tractor bigger than the front tires?
A better question might be "why are the front tires of a tractor smaller"? In the past the reason was that smaller tires were...
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What is the best microscope to buy for home or personal use?
For home use a compound light microscope would be appropriate. A consumer microscope might be purchased for approximately $300....
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Do the sun's tanning rays penetrate water and to what degree?
The sun's rays do penetrate water, but each color penetrates to a different extent. The more energetic colors penetrate deeper,...
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What causes the popping or tinkling sounds you hear as hot metal pipes cool off and contract?
I'm specifically referring to exhaust pipes on my motorcycle. A relatively scientific or metallurgical explanation is okay, just...
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If you buy a microscope for the home what level of detail would one be able to see?
It depends on the power of the microscope an the skill you have in preparing slides. Around 150x, good slide prepartion...
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What are some good colleges or universities to go to if you want to major in political science?
It's all subjective! Obviously a well known school looks great on your resume, but there are so many other factors as well. If...
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Which two mountain ranges are responsible for taking most of the moisture along the west coast of the US?
The Rocky Mountains and the Sierra Nevadas. A more appropriate response to the question might be the Cascades and the Sierra...
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What ingredients are in stain removers?
Soil & Stain Removers Are all the products on the market for soil and stain removal making doing laundry confusing? The Soap...
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What are the uses of roselite?
Roselite is a beautifully colored mineral and varies from rose-red to pink. It would be a misguided assumption that its name came...
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What is the 'highest' degree?
In the developed world the 'highest 'academic award or degree is a doctorate. A doctorate can be gained in almost any subject...
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Where do they make the 3D IMAX movies?
They make Imax movies all over the world. A conventional film uses 35mm film for projection whereas an IMAX film uses 70mm...
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What is total charge?
the total charge of an atom depends on how many elctrons and protons it has. protons have positive charge. electrons have a...
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What is 'NGC'?
Numismatic Guarantee Corporation. This is a third-party grading and certification service. NGC is the Numisatic Guarantee...
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What are test tube babies?
Test tube babies ar babies that are created in a test tube by taking one sperm cell and one egg cell and combining them. So the...
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Why does iron rust?
Nails are made of steel, and contain iron. Rust is the oxidation, or corrosion, which forms on iron when in contact with the...
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How many pounds does one gallon of water weigh?
Water weighs 1000 kilograms per cubic meter when it's a liquid at 4 °C. That's 1 gram per cubic centimeter. There are 3785.41178...
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What is the family background of Gregor Mendel?
Mendel was born July 22, 1822 into a German-speaking family of Heinzendorf, Moravia, Austrian Empire (now Hynčice (part of...
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How do you get rid of all bubbles in clean water?
Depends where the water is. In a glass, from the tap, in a steel pot on the stove before or after boiling.... I moved into a old...
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Is test tube cloning accepted by our society?
Excellent question. Clinton abolished any scientific research regarding cloning and Bush followed suit. However, parts of...
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Why does the Watershed need to be enforced?
''The connectivity of the stream system is the primary reason for doing aquatic assessments at the watershed level. Connectivity...
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How much does a gallon of ice weigh?
To greatly simplify, a chunk of ice placed in a lab at STP masses roughly 0.92g/ml. If we assume that you are referring to a...
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Why will a string vest with a shirt over it keep you as warm as a jumper?
I assume you're from the UK and "jumper" is what Americans call a "sweater," and "string vest" is a "knit undershirt." DuPont...
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How does light travel through a camera?
Picture this... you're home for thanksgiving, its you and grandma for one big photo oportunity, big smile. A flash lets out...
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What are 'primary' inequalities?
Do you mean primary qualities? Primary qualities have to do with philosophy. If that's what you meant, ask the question again. ...
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What are the general principles of agroforestry?
ACCORDING TO AGROFORESTRY.NET:--Help eradicate hunger through basic systems of pro-poor food production in disadvantaged areas...
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Are fuel cells dangerous to make or dipose of?
Fuels cells are essentially not very dangerous. But in order for a fuel cell to work hydrogen must be used. Hydrogen is usually...
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How come when you stand on your head it starts to throb but when you stand on your feet they don't?
The heart is closest to the brain, so when we walk it takes longer for the blood to get to our legs (that's why we exercise) and...
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Why is skin designated an organ?
Skin is the largest organ of the body because it actually breaths and can absorb many things (good/bad.) Most people don't...
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Why do objects appear the color they are?
It's a matter of selective absorption and reflection of the varying wavelengths of light. Our eyes and brain work together to...
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What does bonding insurance do for you?
Bonding is not insurance. If you provide service to a client, and steal from them, and are convicted of the crime, the bonding...
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How do electronics work?
In a very general way, it can be said, that electronic things work, by the successful manipulation of the flow of electrons, to...
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How do you remove ink from a newspaper?
You boil water and put in the newspaper in it. After that you wait for the ink to come out. It should take about 15...
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Can one twin absorb the other?
Very interesting article. It explains the two different ways a twin can be absorbed and...
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Can you put metal in a microwave oven?
NO, it will spark and maybe smoke. NO BAD IDEA. Metal will cause the magnatron to over heat and the oven will be useless. Don't...
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What is the connection between organisms in a stream and the dissolved oxygen level?
Organisms in streams need oxygen to live when lacking dissolved oxygen it will kill these organisms. edit: unless the organisms...
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What education or training do you need to become an oncologist?
To become an Oncologist, or cancer specialist, a medical degree is the first requirement and usually takes five (5) years to...
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Why do veins become more prominent as one ages?
Because the skin thins to paper thin on the outer body as well as tissues in the inner body, not to mention muscle loss. The...
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What jobs can you get with an associate's degree in applied science?
If you go to paramedic school, and than go get your associates degree in applied science, you are able to bo do the 9-10 month...
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Does a heeling sailboat have less hull surface contacting the water than a boat on an even keel?
This depends on the design of the boat to a certain extent, however typically when a yacht is heeling it would be moving quickly,...
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Where can you buy inverted goggles - the kind that turns everything upside-down until the brain adjusts?
Wal-mart
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What is and when did the 'Big Bang' occur?
THe big bang occurred 13.7 billion years ago. It was not an explosion, rather an explosively rapid expansion of the fabric of...
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Where can you find nitric acid?
If you mean where is it found naturally... nowhere on Earth. It must be manufactured, through pressurized oxidation of ammonia...
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What is the difference between an Associates in Applied Science and an Associates of Science degree?
Here is the answer you are looking for. An Associates in Science (AS) is a degree focused mostly on a liberal arts...
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What are some of the major accomplishments of Gregor Mendel?
gregor mendel is called the father of genetics. he was a monk who studied pea plants to find out about genetics. he discovered...
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What is the circumference of the earth?
The circumference of the Earth at the equator is about 24,901.46 miles, or 40,075.02 km. Earth is not a rounded sphere, but is...
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Why does a rainbow appear bent or arched in a semicircle in the sky?
Rainbows have been the subject of songs and poems, stories and mythology, but there is an explanation as to why rainbows appear...
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What is the 'Law of Conservation of Mass or Matter'?
In the law of conservation of mass (or matter), the mass in a system that is closed will be constant. This holds despite what...
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How fast is Roscoe Parrish?
Roscoe ran a 4.43 at the NFL Combine, but some clocked him in the mid 4.3's. He's QUICKER than he is fast, in his ability to...
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How do hot pads work?
Modern hotpads or pot holders have a heat-resistant material sandwiched between two layers of fabric. The bottom layer of fabric,...
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Why is snow white and water transparent but sometimes ice can be both?
Because snow always scatters light, water never does and inclusions in solid ice can do sometimes. Or Many gases including...
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What might be the perils of over specialization?
Basically in the global economy, individual domestic economies as a result of reduced levels of domestic protection such as...
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What are the ingredients in Coke and Diet Coke that have negative effects on teeth and why?
In Coca-Cola there is both sugar and phosphoric acid. Both damage your teeth. Diet Coke, Coke Zero, and Caffeine Free Coke all...
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Why are plants necessary for survival?
Plants are necessary for survival because they undergo the photosynthesis, the process of converting light energy from the sun,...
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Where did the universe begin?
Current theories and models suggest that there is literally no place (not simply that we cannot get there) where you would reach...
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How does music affect mice?
I think it does because, my mice do, and they respond to clapping and other loud sounds .
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What is measured in hoppersfeet?
Rear Admiral Grace Hopper was a pioneer in the computer industry. In her talks, she often would illustrate the speed of...
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How much does one gallon of oil weigh?
One gallon of oil is 6-8 pounds depending on density. If you assume SAE 10W-30 oil; density is 875 grasm/litre = 1.929 pounds...
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How did Gregor Mendel influence Hitler?
Mandel studied evolution. I think he said something about genes and traits in animals that make them more advanced then other...
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What are advantages of global positioning systems?
Depending on what you are using it for, and the rating of your system it could be invaluable. I have a hand held and lap-top...
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How do they make drink water filters?
Charcoal is the primary substance used in conventional water filteration systems. It is also used to absorb heavy metals in...
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Where do conifers grow?
Greece, Germany, China, India, Russia, Japan, Scandinavia, the British Isles, the Middle East, North America, Central America,...
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How fast did a Viking longboat go?
They went 964,293,019,249,123 millimetres per 21 seconds. The people who did the rowing could row faster to the beat of the...
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What is the vegetation of the Amazon basin?
they eat food
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How does inertial navigation function?
Inertial navigation tracks the position of an object by measuring and comparing the distance it travels with the accelerations in...
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What was Charles Darwin's first piece of evidence?
On his travels he found many species of animals that were similar but different, even though they were not in the same...
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What does the term nuclear winter refer to?
Nuclear winter refers to a long-term cooling of the Earth's climate following a massive nuclear war. Nuclear weapons, as we all...
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What is scientific revolution?
The Scientific Revolution refers to that period in history (basically the 17th century) when men and women began to ascertain...
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How is plexiglass made?
melt calendering
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What is the pH range of organic compost?
pH Range of Organic Compost One site I just found says the pH of finished compost is 6.0 - 8.0. I have no idea if that is...
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How do you make glass?
The main ingredient in glass is silica, also called silicon dioxide or quartz. This substance occurs in most minerals in varying...
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Does the size of a ball effect how high it bounces?
Not to any appreciable extent. Bounce is caused by the elasticity of the material comprising the ball and the surface on which...
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If you're having a problem binding a skeleton how do you fix it?
Use wires that go between the bones to alow normal movement but also holds the bones in the disired position.
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Will engine oil conduct electricity?
no or very little The very same characteristics that makes it a good lubricant also makes it non-conductive. A good...
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Is there an SAS postulate for similarity of two triangles also just as you have one for congruency of triangles?
For two triangles to be congruent, their corresponding sides must be of equal length. But for triangles to be similar, they must...
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How do you figure how many Watts Amps or Volts?
Penergy(volts) Iresistance(ohms) To figure Watts........PI x R where E is unknown 2 or PE/R To figure Energy.......EE/I Do a...
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How is test tube cloning accomplished?
Easy, it's not.... "Test Tube" babies are a product of a process in which an egg and a bunch of sperm are isolated in one tube...
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What is the difference between test tube cloning and test tube fertilization?
Test tube cloning is altering the embryo. Test tube fertilization is when they take a sperm and egg and join them outside of the...
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What is microgravity and what is its affect on humans?
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Where is rubber found?
it comes from the butt of a dead hot dog goblin. cheeze is funny
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What is the stiffness of a cantilever beam under a natural frequency?
If you know the natural frequency and the mass of the load and beam... k=Wn^2*m (where k=stiffness, Wn=natural frequency,...
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How do farmers grow corn?
TIPS ON GROWING CORN Extend your corn harvest by planting successive crops when the previous crop's plants have three to four...
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What do stars mean to people?
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How do you neutralize detergents from domestic grey water?
You get a water purifier or a softener Depends on what you mean by "neutralize". If you mean make the detergent no longer...
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Why does hot water coming from a faucet have a different pitch noise than cold water coming from a faucet at the same pressure?
Here is what Contributors had to report on water pressure sounds: First, the temperature of the water affects the internal...
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Why is glass often used to make cookware?
Glass is good because it can be formulated to withstand extreme fluctuations in temperature. For example, Pyrex ads used to show...
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What is an analytical exposition?
An exposition is a rhetorical discourse that provides information about or an explanation of difficult material. An analytical...
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What animal has the highest population on Earth?
There can be a million tons of krill in a singel swarm. Krill are considered keystone species near the bottom of the food chain...
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In the listening to aerial sounds what concept is produced for eyelet sound?
Do you mean in hooking up for aerial sound, that there is a wire with an eyelet?
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How do gymnosperms reproduce?
Gymnosperms (meaning "naked seeds") are seed-bearing plants that don't produce flowers. They release pollen into the air to the...
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What is a nucleolus?
Nucleolus is a structure inside a nucleus which produces the two parts of ribosomes (rRNA) . A cell nucleus may contain more than...
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What is the weight of one gallon of air?
Air at sea level weighs about 1.2 kg per cubic meter. You can find that using the ideal gas law pV=mRT where p is...
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Where can you find charts diagrams and data tables showing the effects of music on your heart rate?
http://www.heartmath.org/research/science-of-the-heart/soh_32.html
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How does lactobacillus help the digestive system?
it produces lactase which digests milk sugars it facilitates the enzymatic cleavage of milk proteins such as casein into...
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What if electricity was never invented?
electricity was never invented. it has always been there. it is said that benjamin franklin discoved electricity. if he didnt...
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What can light pass through clearly?
Light can pass through the dark. It depends on which 'light' you mean. There are three different types and each has their own...
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How many grams are equal to one cubic centimeter?
This depends. A "gram" is a measure of mass, while a "cc" is a measure of volume. For example; 1cc of lead has more mass than 1cc...
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What is the weather like in Georgia?
hot and dry all the time during the summer and cool winters the lowest it gets is about 60 degrees. .
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