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Hannah from Austin asks

Why does salt melt ice?

Corey Conner from Fort Knox asks

If the sun is a heat source, and as the sun gets closer to the earth the heat intensifies, then why...

Christina from Orland Park asks

What process does a jellyfish go through when it stings something?

Jennifer Easterly from Sydney, Nova Scotia asks

I hear there are 9 species of cicadas in Canada, but I haven't been able to get any more...

Jen from Orland Park asks

If you find a bone in an archeological dig how can u tell what kind of animal it was?

Michael Heyd from North Vancouver asks

When does your skull reach its full, adult size?

Navid Patterson asks

What is sugar?

rebecca from Adelaide asks

What is the difference between science and sciencing?

J. Fretwell from Parry Sound asks

I do not know if this might relate to Global Warming, but I notice no one has mentioned (maybe I...

Satnam from Calgary asks

My question: How will they produce plastics, tires, roads or anything that is made from oil, once...

doug eneberg from Seattle, WA asks

How many scientists does Canada have?

An anonymous reader asks

What are water's special qualities, and how do they work?

Jonjon asks

How does a pressure cooker work?

Anonymous from Winnipeg asks

We were learning about colour and light when my teacher Mlle. Gelinas told us about this question...

Sam Thomas from Kallaroo WA , Australia asks

If splitting the atom can create a huge amount of energy, then why isn't it used to power engines...

Agin Thomas from Philadelphia asks

Does a magnetic and/or electric field have an affect on water’s ability to flow (if you can't...

Umit K from Cambridgeshire asks

How can I construct a simple laser beam?

Monty from saskatchewan asks

What exactly is gravity? Is it a wave or a ray? What exactly is the attraction that makes gravity...

John Lavender-Stott from Blacksburg asks

Is homosexuality inborn?

jake from Duluth/MN USA asks

Can you verify the scientific validity of statements I've heard animal rights groups make,...

Andre Szalinski from Doussard, France asks

In my youth, I heard a story about an experiment: you compress a metallic spring and you put it in...

nick simons from United Kingdom asks

Why does vitamin C not work as well if it has been heated? I know it is an acid. Does it turn in to...

Carly from Toronto asks

I was wondering where I can find good resources on determining the movement of an obese person...

Miss Allouche from Sydney asks

I am a year 5 teacher. I was wondering if it would be ok if I had my students work in pairs to ask...

Mateusz from New York asks

Why does it take nerves so long to grow back, more than for skin cells?

Maeki Ray from Chicago,IL asks

I'm doing a science project in which I'm trying to see if sound waves created by a computer...

Sara asks

What are the surfaces of Uranus and Neptune like? Is there wind or precipitation on either...

Kym McCallum from Gladstone asks

How long would it take for the next Ice Age to develop?

Katie from the Internet asks

Does temperature affect the performance of the mind? Such as slowing down the thinking process? Is...

Frank Palmay from mississauga asks

I understand the concept of dominant and recessive alleles but I was wondering why some alleles are...

John Wrowles from Wellington New Zealand asks

This question relates to global warming. Recent science news reports that the temperature of the...

John Crowe from Dublin asks

If I knew the centre of the universe and began to travel toward it, would I begin to decrease in...

Srikar from Mississauga, Ontario asks

If Pluto is not a planet, how is it classified? What is it called now?

Nick (via his mother Illan) from Denver, Colorado asks

I put frozen spinach, fresh spinach, canned spinach, frozen peaches, fresh peaches and canned...

Jeff asks

How do astronomers know the true position of stars? When astronomers show us pictures of the Great...

David asks

Physicians often want to know the glucose and lipid levels in a patient's blood and whether...

Julie from Portland, Oregon asks

How are sand dollars bleached white? Is it by the sun or the sea?

Stanley from Vancouver asks

Why are soccer balls coloured black and white? I heard it has to do with these two colours making...

S. Warne asks

What are some recent Canadian contributions to research and development? I was challenged by...

shaheena from Karachi/Pakistan asks

The name for gas written on CNG filling station is octane. There are other members in the alkane...