I have been reading and learned that electrons flow from negative to positive in the external...
Is glass an amorphous mass? Old glass, for example the glass found in old churches, is much thicker...
from Bettendorf, Iowa
I am doing a science project on how light affects plant growth. If you could answer my 10...
Knowing the basic functions of magnets (dipoles, domaines...) I still don't understand WHY two...
What are giant ice meteorites? Would it be possible for them to hit the earth?
How does shaking seeds in a jar lined with sandpaper affect the way they germinate? We shook lima...
from New York
Who discovered High Blood Pressure and what year?
from Charlottetown, Prince Edward Island
Looking for pictures of Tranquility base or any of the other lunar landing spots on the moon taken...
How do scientists detect nutrinos when they have no mass and no charge?
I just wanted to know if iron levels in a plant such as siverbeet can be increased by adding iron...
from Mississauga,On. Canada
What is the chemical composition of soya margarine?
from Vancouver, Canada
Among the techniques that are being used to determine the identity of an unknown person, for...
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:...
What term is applied to all processes and physical measurements carried out under conditions of...
A F Jenks
from Nelson, NZ
When a laser is bounced off the reflector Apollo crew placed on the moon, or any light is reflected...
Is there such thing as an Ice Bullet? A bullet that melts into the target so that there will be...
I understand about the Curie tempurature but I am wondering if an electromagnet has a Curie...
from Queens, NY
I would like to know why the bananas has that semi circular shape. I wonder if it is because the...
from Gauteng, South Africa
Water is made up of H2O. H will burn and O2 will burn. Why does water not burn?
Why do most industrial LASER diodes emit pulsing light beams and not continuous ones? And what is...
How do electric kettles work?
Given: a horizontal rigid tube with one end on an axis at a constant rotation. Insert a solid ball...
from Coquitlam, BC
Hi was always wondering if it is ok to use a higher voltage power supply for a lower voltage...
What is the polar nature of water?
How does the type of liquid effect the way it holds heat?
What is the protocol used to determine where each country is allowed to put its satellites to avoid...
from the Internet
What is the scientific explanation of why a magnet's magnetism would decrease or increase when its...
Every time we go to our local grocery store and get a buggy that does not have a chain hanging from...
from Davis Ca.
I want to explain to my 6 year old daughter, why the rainbow appears bent/arched in a semicircle in...
from Honolulu, HI
I'm interested in commerical lightsticks... I understand it is hydrogen peroxide and oxalate ester...
Is it possible make the aluminium transparent ?
Can decomposing cedar wood chips or household compost cause environmental problems in surrounding...
from Hamilton, Canada
I have heard that some one discovered that the atom is actually made up of sound waves. Is there...
Andy (Dionne) Setlow
from Madison, Alabama, USA
I have long struggled to understand why the temperature of various wavelengths track so closely...
What is happening when someone plays a song on wine glasses? They are filled with different...
from Ottawa, Canada
Why do your fingernails grow a lot faster than your toenails?
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 the Internet
Is it better to keep planaria in pond water or tap water if my experiment deals with feeding them...
from Bangalore (India)
Before getting married should we consider blood groups of both individuals? Is there any...
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