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?
Is glass an amorphous mass? Old glass, for example the glass found in old churches, is much thicker...
from Charlottetown, Prince Edward Island
Looking for pictures of Tranquility base or any of the other lunar landing spots on the moon taken...
from Bettendorf, Iowa
I am doing a science project on how light affects plant growth. If you could answer my 10...
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...
How does shaking seeds in a jar lined with sandpaper affect the way they germinate? We shook lima...
from Gauteng, South Africa
Water is made up of H2O. H will burn and O2 will burn. Why does water not burn?
What term is applied to all processes and physical measurements carried out under conditions of...
from New York
Who discovered High Blood Pressure and what year?
Why do most industrial LASER diodes emit pulsing light beams and not continuous ones? And what is...
I have been reading and learned that electrons flow from negative to positive in the external...
from Vancouver, Canada
Among the techniques that are being used to determine the identity of an unknown person, for...
from Mississauga,On. Canada
What is the chemical composition of soya margarine?
from Queens, NY
I would like to know why the bananas has that semi circular shape. I wonder if it is because the...
Is there such thing as an Ice Bullet? A bullet that melts into the target so that there will be...
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...
Given: a horizontal rigid tube with one end on an axis at a constant rotation. Insert a solid ball...
How does the type of liquid effect the way it holds heat?
I understand about the Curie tempurature but I am wondering if an electromagnet has a Curie...
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:...
Can decomposing cedar wood chips or household compost cause environmental problems in surrounding...
from Coquitlam, BC
Hi was always wondering if it is ok to use a higher voltage power supply for a lower voltage...
How do electric kettles work?
from Binmaley, Philippines
Why do (nearly) all birds move in a jerking motion as compared with other animals that move...
from the Internet
Is it better to keep planaria in pond water or tap water if my experiment deals with feeding them...
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
What is the scientific explanation of why a magnet's magnetism would decrease or increase when its...
from Honolulu, HI
I'm interested in commerical lightsticks... I understand it is hydrogen peroxide and oxalate ester...
What is the protocol used to determine where each country is allowed to put its satellites to avoid...
What is the polar nature of water?
from Hamilton, Canada
I have heard that some one discovered that the atom is actually made up of sound waves. Is there...
Why are most scallops white and some are yellowish brown to almost an orange color?
from Bangalore (India)
Before getting married should we consider blood groups of both individuals? Is there any...
from Ottawa, Canada
Why do your fingernails grow a lot faster than your toenails?
Andy (Dionne) Setlow
from Madison, Alabama, USA
I have long struggled to understand why the temperature of various wavelengths track so closely...
from Davis Ca.
I want to explain to my 6 year old daughter, why the rainbow appears bent/arched in a semicircle in...
Why do proteins form lather on making their solutions?
Is it possible make the aluminium transparent ?
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