from Bettendorf, Iowa
I am doing a science project on how light affects plant growth. If you could answer my 10...
from Davis Ca.
I want to explain to my 6 year old daughter, why the rainbow appears bent/arched in a semicircle in...
from Hamilton, Canada
I have heard that some one discovered that the atom is actually made up of sound waves. Is there...
How does shaking seeds in a jar lined with sandpaper affect the way they germinate? We shook lima...
What is the polar nature of water?
from Coquitlam, BC
Hi was always wondering if it is ok to use a higher voltage power supply for a lower voltage...
How does the type of liquid effect the way it holds heat?
from Bangalore (India)
Before getting married should we consider blood groups of both individuals? Is there any...
A black hole is created when a planet collapses and forms into a powerful vacuum sucking everything...
Why does a bar magnet repel when it breaks? n====|====s
from Santa Clarita
Is a seed a living thing? If so, how do you prove it? Is it living before you add water?
from Gauteng, South Africa
Water is made up of H2O. H will burn and O2 will burn. Why does water not burn?
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What term is applied to all processes and physical measurements carried out under conditions of...
Is it possible make the aluminium transparent ?
Knowing the basic functions of magnets (dipoles, domaines...) I still don't understand WHY two...
from Vancouver, Canada
Among the techniques that are being used to determine the identity of an unknown person, for...
Given: a horizontal rigid tube with one end on an axis at a constant rotation. Insert a solid ball...
Andy (Dionne) Setlow
from Madison, Alabama, USA
I have long struggled to understand why the temperature of various wavelengths track so closely...
from the Internet
What makes classifying dogs in breeds different from classifying humans in races?
I thought that...
from Honolulu, HI
I'm interested in commerical lightsticks... I understand it is hydrogen peroxide and oxalate ester...
I want to convert a conventional gas engine to run on hydrogen gas. How would I go about this?
Why is vegetable oil viscous?
Why, specifically, do ferrite magnets gain strength in low temperatures?
Why do all planets revolve in elliptical orbits around the sun? I mean in nature there existis...
What is in most nail polish removers?
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:...
Why do proteins form lather on making their solutions?
What are giant ice meteorites? Would it be possible for them to hit the earth?
from Catonsville MD
Why does my coffee flow more freely from a to-go cup when there are two holes in the lid instead of...
What are neutrinos and positrons?
from Mississauga, Ontario.
Why is it that we always can draw nice electric field lines and magnetic field lines relative to...
from Scarborough, Canada
Which part of the body has highest ph value?
How do electric kettles work?
I heard that all cells only come from existing cells. If this is true, how did the first cells...
from the Internet
Will pea seeds germinate slower in a liquid substace other than water? why? I am conducting an...
from Tehran, Iran
I am interested in Computational NeuroScience, particularly in Colour Vision, Land's Effect, and...
from Atlanta, GA
I want to make sculptures out of old vinyl records by melting them down and pouring them into a...
Why does ice make pop fizz? Shouldn't it fizz less since the gas is being cooled?
I just wanted to know if iron levels in a plant such as siverbeet can be increased by adding iron...
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