from Orland Park
If you find a bone in an archeological dig how can u tell what kind of animal it was?
from Tyler Texas
What causes a titanium headed golf club to spark when striking a golf ball? Is it the ball, the...
Why does salt melt ice?
from North Vancouver
When does your skull reach its full, adult size?
from Parry Sound
I do not know if this might relate to Global Warming, but I notice no one has mentioned (maybe I...
Do the cells in the heart tissue know if there is something wrong with the heart. If so, how do the...
What is sugar?
My question: How will they produce plastics, tires, roads or anything that is made from oil, once...
We were learning about colour and light when my teacher Mlle. Gelinas told us about this question...
from Seattle, WA
How many scientists does Canada have?
How can I construct a simple laser beam?
An anonymous reader
What are water's special qualities, and how do they work?
Does a magnetic and/or electric field have an affect on water’s ability to flow (if you can't...
from Kallaroo WA , Australia
If splitting the atom can create a huge amount of energy, then why isn't it used to power engines...
from the Internet
Why are 6volt batteries bigger than 9volts, even though 6 volts are less than 9? And why are AA,...
Is homosexuality inborn?
How does a pressure cooker work?
from Doussard, France
In my youth, I heard a story about an experiment: you compress a metallic spring and you put it in...
What exactly is gravity? Is it a wave or a ray? What exactly is the attraction that makes gravity...
from United Kingdom
Why does vitamin C not work as well if it has been heated?
I know it is an acid. Does it turn in to...
from Duluth/MN USA
Can you verify the scientific validity of statements I've heard animal rights groups make,...
I am a year 5 teacher. I was wondering if it would be ok if I had my students work in pairs to ask...
I was wondering where I can find good resources on determining the movement of an obese person...
from New York
Why does it take nerves so long to grow back, more than for skin cells?
What is the difference between science and sciencing?
from the Internet
Does temperature affect the performance of the mind? Such as slowing down the thinking process? Is...
How long would it take for the next Ice Age to develop?
from Mississauga, Ontario
If Pluto is not a planet, how is it classified? What is it called now?
What are the surfaces of Uranus and Neptune like? Is there wind or precipitation on either...
I'm doing a science project in which I'm trying to see if sound waves created by a computer...
I understand the concept of dominant and recessive alleles but I was wondering why some alleles are...
If I knew the centre of the universe and began to travel toward it, would I begin to decrease in...
from Wellington New Zealand
This question relates to global warming. Recent science news reports that the temperature of the...
How do astronomers know the true position of stars? When astronomers show us pictures of the Great...
What are some recent Canadian contributions to research and development? I was challenged by...
from Portland, Oregon
How are sand dollars bleached white? Is it by the sun or the sea?
Nick (via his mother Illan)
from Denver, Colorado
I put frozen spinach, fresh spinach, canned spinach, frozen peaches, fresh peaches and canned...
from St.john's, NL
Ethanol is the focus of many tax dollars these days. It seems to me that the burning of any...
The name for gas written on CNG filling station is octane. There are other members in the alkane...
Why are soccer balls coloured black and white? I heard it has to do with these two colours making...
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