How far is the Sun from Pluto? How long does it take for sunlight to travel to Pluto?
from North Bay, Ontario
How can planetary angular momentum be tranferred from one body (Earth's rotation) to another...
from Mississauga, Ontario.
Why is it that we always can draw nice electric field lines and magnetic field lines relative to...
Does Henna (a plant based hair dye) contain any aluminum in its substances?
from the Internet
Will pea seeds germinate slower in a liquid substace other than water? why? I am conducting an...
Hi, my name is Steve and I am a junior bodybuilder. Which one gives you the red tan, the normal...
Do you have any information about Canadian scientist Dr. W. A. Smirnoff? He works on the spruce...
from Bettendorf, Iowa
I am doing a science project on how light affects plant growth. If you could answer my 10...
What are neutrinos and positrons?
from Mississauga,On. Canada
What is the chemical composition of soya margarine?
What is the difference between a dolphin and a porpoise?
Is glass an amorphous mass? Old glass, for example the glass found in old churches, is much thicker...
from niagara falls
What is the ingredient used to make "hair gel" stiff and hold?
If I knew the centre of the universe and began to travel toward it, would I begin to decrease in...
Why is vegetable oil viscous?
from Atlanta, GA
I want to make sculptures out of old vinyl records by melting them down and pouring them into a...
from Nampa, Alberta,Canada
Why was Mars formed?
Can decomposing cedar wood chips or household compost cause environmental problems in surrounding...
I have been reading and learned that electrons flow from negative to positive in the external...
Andy (Dionne) Setlow
from Madison, Alabama, USA
I have long struggled to understand why the temperature of various wavelengths track so closely...
from Ottawa, Canada
Why do your fingernails grow a lot faster than your toenails?
Why doesn't oil freeze? Would it freeze at -270 degrees?
What are giant ice meteorites? Would it be possible for them to hit the earth?
from Nepean, Ontario
I am trying to make natural beeswax into an ivory colour. Some people say they use natural dyes. ...
from Honolulu, HI
I'm interested in commerical lightsticks... I understand it is hydrogen peroxide and oxalate ester...
from the Internet
Is there a "litmus paper" like test that can be used for testing for the amount of caffeine in a...
from the Internet
What keeps electrons from eventually falling into the nucleus of an atom if they are attracted by...
John D. Miller
from Belmont, NH
I read that one can get a wider range of colors or shades if one uses the secondary colors:...
If atoms are so small, how can we split them?
Why, specifically, do ferrite magnets gain strength in low temperatures?
from Athens, Greece
If we put a current-carrying conductor inside a magnetic field (i.e. between two permanent...
How can a star become small and dense enough to become a black hole? My understanding is that a...
Every time we go to our local grocery store and get a buggy that does not have a chain hanging from...
I have seen some advertised ice packs that claim to have salt water solution in them and a clicker,...
from Coquitlam, BC
Hi was always wondering if it is ok to use a higher voltage power supply for a lower voltage...
Is there such thing as an Ice Bullet? A bullet that melts into the target so that there will be...
from Davis Ca.
I want to explain to my 6 year old daughter, why the rainbow appears bent/arched in a semicircle in...
I just wanted to know if iron levels in a plant such as siverbeet can be increased by adding iron...
from Brisbane, Australia
We are having a debate at work that we hope you can settle. The father of one of my workmates has...
Why do all planets revolve in elliptical orbits around the sun? I mean in nature there existis...
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