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Tom Henson from Bettendorf, Iowa asks

I am doing a science project on how light affects plant growth. If you could answer my 10...

James from Hamilton asks

If 'O' (oxygen) is an element and CO2 is a compund...what is O2, or Cl2?

Ruben from Miami asks

I would like to know if there is any way to magnetize a 6x4x1/2 inch ceramic 8 non magnetized...

Kiana Stewart from Blacksburg asks

If Virginia sees a full moon in the daytime then do places like Australia see no moon at night?

Dallin Shaner from the Internet asks

What is the scientific explanation of why a magnet's magnetism would decrease or increase when its...

Steve from Honolulu, HI asks

I'm interested in commerical lightsticks... I understand it is hydrogen peroxide and oxalate ester...

Andrea from London asks

In chemistry, how do you know what the formula of a compound is? For example, how do you know if it...

charl mai from Vancouver, Canada asks

Among the techniques that are being used to determine the identity of an unknown person, for...

Sue from Mississauga,On. Canada asks

What is the chemical composition of soya margarine?

Daniel from Singapore asks

Is there such thing as an Ice Bullet? A bullet that melts into the target so that there will be...

Alexis Rolling from Nampa, Alberta,Canada asks

Why was Mars formed?

Dave from the Internet asks

Hi, I am looking for a procedure that I can use for a science investigation. We are testing water...

Danielle Panchuk from Calgary asks

Why after drinking massive amounts of alcohol, which is a liquid, do you wake up dehydrated the...

Denise Atkins asks

What causes asteroids to burn up once they enter earth's atmosphere?

Satya from Scarborough, Canada asks

Which part of the body has highest ph value?

Matt from Ottawa asks

Knowing the basic functions of magnets (dipoles, domaines...) I still don't understand WHY two...

Olivia from Sydney asks

I was wondering about planet orbit paths and if they change. I read that a change in the Earth's...

Saurabh from New Delhi asks

Gravity can produce motion in a body. Thus, it does work. But, for doing work, energy is needed....

Matt from Pickering asks

How are genes located? For instance, Lap-Chee Tsui and his team of geneticists located the...

John Wood from Binmaley, Philippines asks

Why do (nearly) all birds move in a jerking motion as compared with other animals that move...

Jennifer Joseph from Dix Hills, NY asks

Animals eat leaves and grasses and this provides them nutrition. Can people take leaves off trees,...

shane from doylestown asks

How do scientists type your blood? How do they find out your blood type?

Richard Morley from Flesherton asks

Do you have a "Sea-Monkey" life cycle?

James from Montreal asks

What is a wormhole? How does it work? How is a wormhole created? Is it possible to survive going...

dave hack from brisbane asks

Nitrous oxide when used in motorsport is often classed as "forced induction" although is...

Loubelle I. Depita from Koronadal City, South Cotabato, Philippines asks

Why is sterilizing & using alcohol effective against microorganism?

Nijin from khd asks

I read in books that bees cannot identify the colour white. Then what will the bees see instead of...

Darren Connell from the Internet asks

We have the ability to use sound frequency to cancel out unwanted sounds, and since light is a...

The Tucker Family from Hamilton asks

How many people have ever lived on earth? We have found data giving the population at differen...

samantha from Sarnia asks

Is it true that only female bees can sting you? And if it is, why is that?

Sharon Johnson from Tobermory asks

Can decomposing cedar wood chips or household compost cause environmental problems in surrounding...

Asli Tamer asks

How do bacteria use rhodopsin to create energy?

M Harish from Mumbai asks

Why does a bar magnet repel when it breaks?    n====|====s

C.L.Bridger asks

What chemical additives can be used to increase the octane rating of unleaded gasoline?

Cynthia Everhart from Leesburg asks

My neice is being tested for an unknown cause to her developemental delay. She has recently been...

julie from Soledad asks

What is the polar nature of water?

Shagufta asks

What are cosmic rays?

Karen from Ottawa, Canada asks

Why do your fingernails grow a lot faster than your toenails?

Joe Joe from Scarbrough asks

What is the chemical reaction involved when dyes attach to cotton fibres? Is there any difference...

TINA from the Internet asks

How much chorline is added to drinking water? Why?