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Jordan Duncan from Prince George, BC Canada asks

I need to know what happens to wood (softwoods, hardwoods and kiln dried woods) when they are...

Karen from Ottawa asks

How old do turtles have to be to have turtle eggs? And do 2 turtles have to have different sex to...

Erin Harris asks

How would Giant Pandas being killed off affect my life?

Serge Bellemare from Boston, MA, U.S.A. asks

Where in the universe are we? We seem to know the dimensions of the Universe; so does it have the...

Tara from the Internet asks

Is it better to keep planaria in pond water or tap water if my experiment deals with feeding them...

Sean M. North from Oregon City asks

In a frying pan, when olive oil is added to butter and heated, according to some cookbooks and...

Grade One, Chesterville Public School from Chesterville, Ontario asks

What do you feed baby praying mantises? We found a mother praying mantis who laid an egg sack on a...

Dane Haas from Flesherton asks

What are the most recent solar storms and will they effect the Earth's atmosphere?

sabiha from lahore, pakistan asks

There is a controversy among my collegues that during agarose gel electrophoresis the band that...

Nedim from Atlanta asks

For a long time I have noticed that during the day or any kind of brighter light my eyes are bright...

Kevin Pagn from Vancouver asks

Is a nerve impulse considered an electric current since it induces a magnetic field?

Mridu from Toronto asks

Specific tissues are meant to perform specific functions. Is it possible to transfer different...

Peter Griffin from Beaufort asks

How does the type of liquid effect the way it holds heat?

Rudolf Olivier from Gauteng, South Africa asks

Water is made up of H2O. H will burn and O2 will burn. Why does water not burn?

Bertrand Xiao asks

Is there a better alternative that has yet to be discovered other than zinc to be used in a battery?

Fester from Tacoma asks

I'm doing a science project and my topic is about the speed of sound. I was wondering if you...

Duane from the Internet asks

If two magnets are in contact with each other or close proximity to each other either repulsing or...

David Woodard from Lansing, MI asks

How do "Fire Retardents" retard fire? If the flash point of any given material never changes? I...

A F Jenks from Nelson, NZ asks

When a laser is bounced off the reflector Apollo crew placed on the moon, or any light is reflected...

dina from Cairo, Egypt asks

I'm interested about light. I have two questions: What is the difference between scattering and...

sarah gubbs from quebec asks

If I had two unlabelled bottles one containing dilute nitric acid and the other containing dilute...

Linda VonCino from the Internet asks

Is there a "litmus paper" like test that can be used for testing for the amount of caffeine in a...

Callie Davies from Phoenix, Az asks

We just finished studying about DNA, Adenine, thymine, guanine, ect. and one question that I had...

Teresa Golebiewski asks

Why doesn't oil freeze? Would it freeze at -270 degrees?

Arnaud Bigeu asks

How does the static universe theory (Gamow, Hoyle...) explain the 3K cosmic background radiation....

Gary Kolling asks

What Satellite Galaxy is moving fastest toward the Galactic center? What Satellite Galaxy is moving...

Robert Cunningham from Dallas, Texas asks

If you shine a light through a glass of water, the light slows down. What makes it speed up again...

Sara asks

What happens to a compass when it is held exactly on magnetic north? Does it just spin?

Kelly asks

What is the structure of chicken bone?

Christina from Orland Park asks

How do chameleons reproduce body parts?

Anonymous from Ajax, Ontario asks

If mass can be converted to energy by using E=mc2, how can energy be converted to mass?

Giovanni Cuevas from Bronx asks

How much does a person's head or skull grow every year? If I'm 16, how much would it grow until it...

Dan Hurtado from Tallahassee asks

Can you explain the process by which hot materials emit light? Particularly, why is infrared light...

Edward Lotus from Mississauga, Ontario. asks

Why is it that we always can draw nice electric field lines and magnetic field lines relative to...

Leo Hong from London Ont. asks

1. If the earth's population is about 6.2 billion now and it will double lets say every 35 years,...

Crystal Rumble from Hilton Beach, Ontario canada asks

I have been diagnosed with multiple scleroisis recently and I also have severe psoriasis. I've...

Gillian from Haliburton asks

I'd like to know what happens to radio waves once they have been emitted. Do they live forever?...

Yossi Truzman from Ra`anana asks

In our breathing system we have two coenzymes NADH and FADH2. Why do we have two coenzymes? And why...

Helen from Toronto asks

How can you extract the bacteriocins (colicins) from E. Coli? I would like to test the...

nijin k from Khd asks

What is the heat wanted to melt the hardest substance in the world?