How can I measure how much liquid is in an apple, lettuce, a potato, and an orange?
from hurricane w.v
If a person or infant is going to get freckles, at what point or age do they appear?
What wind speed would be enough to blow somebody away?
from Sudbury On
What makes certain surfaces such as highway lane markings, reflective strips on clothing and...
from the Internet
How long can a vehicle typically run without oil or antifreeze before the engine seizes?
Can a sintered ore magnet be re-magnetized in a different configuration of its poles? Does it need...
What causes the bends?
from Exeter UK
Why are sounds so much louder downwind, even when the wind is light?
Can nuclear tests produce earthquakes? India started nuclear testing, then Pakistan followed in...
from Roetgen nr Aachen/Germany
My son, 13 y, has found a really good idea to prove the four colour map problem without computers,...
from the Internet
how would i go about making some dry ice at home or in the school lab?
from Fresno, CA
How and when will hydrogen fuel cells be used to provide electricity for my home? What would it...
why does soda pop fizz when it is poured over ice
Raymond J. Sucgang
from Manila, Philippines
Hi, Could you please clarify: Does an increase in precision mean a decrease in accuracy? Does a...
from Pembroke Pines
Is it true that gas particles at higher altitudes are farther away from each other than at lower...
from Rio de Janeiro
Does air act as an insulator against lightning on flying airplanes? I know the aluminum case is...
If one could increase the flow of air into a jet engine,would this increase the efficiency of the...
How does vacuum insulation work and can an R Value be assigned to it? Does the depth of the vacuum...
How come on a warm clear day clouds form at night?
How can you define the pressure of 5 g. on a person? This would be done with the fingers. I am...
from leaf river
How many skin cells would be in a square inch?
What is your opinion on the ethics of transplant farming and what is your opinion about genetic...
Why does the Periodic Table of the Elements have two separate tables - one above and one below?
from Winnipeg, Mb
I'm doing a project on mercury in water. I was wondering if and how you get mercury out of lakes. ...
I have noticed in Toronto for the past two years, that the weather has been abnormally cloudy in...
from the Internet
When metal scrapes metal such as two spoons, it makes the edges of my teeth feel numb. Why is that?
Is invisiblilty possible? Is it possible to alter an object so it can't be seen? Could people's...
How do hot packs work? My wife purchased a reusable hot pack for keeping our baby warm when we go...
from North Bay, Ontario
My Dad told me about bioluminescence you know, the stuff that makes living organisms glow? Anyway,...
Are there some materials that shrink faster that other materials in cold? If yes, which ones?
How does air conditioning work?
I am in grade 7 and attempting to do a Science Fair Project. I would like to know how I could test...
What two liquids combine that gives you a solid instantly?
What is thought? Is it matter or energy? And how does the brain create a thought?
How does heated vinegar react with powdered milk to create the result of plastic like curds?
Can you provide a detailed structure and working of the magnetron tube used in microwave ovens?
from Thunder Bay, Ontario
What is colour? How does the brain perceive colour?
from Jersey City
How are mountains created?
I am experimenting with microwave reboil caused when you microwave coffee or water and add sugar,...
prashanth kumar aitha
why is BERMUDA TRIANGLE'S MYSTERY unsolvable?
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