I know the basic details of how an ionization smoke detector works, where particles enter the...
from miami beach
1)What type salary does internal medicine make?
2)What kind of education is needed for internal...
How and when did the Great Barrier reef develop? Is it still developing today?
from Oakville, Ontario
I was studying for a science exam and stumbled across a chapter that covered energy. The chapter...
What is the chemical make-up of pear, banana and apple peels?
How can I make my own methylated spirit?
How does pectin gel?
Can you help me with a wonderful magic trick I performed as a boy? I made a silk rose change...
from LONDON ENGLAND
(1) What quantities of the earths atmosphere are lost to outer space over a given time?
from Seattle, WA, USA
Can you explain the meaning of the phrase: " has cleared the neighbourhood around its orbit.” I...
from Avon Lake
I am doing a report on aluminum and the impact it has on our environment for a science class. Do...
from Owen Sound
How can I make a simple flashlight?
How many water and wastewater treatment plants in Canada are using chlorine gas for disinfection?
from Wawa, Ontario
Is it a crime to prevent the birth of a malformed fetus? I strongly feel that we should terminate...
Why are the time zones on maps rated as longitude & latitude in degrees and minutes?
What is fire composed of? Could you have liquid fire, or solid fire?
from Magnolia, AR
My son's girl friend's maternal Grandmother and paternal Grandmother both have the same birthday...
What exactly is "Bovine Spongiform Encephalopathy" (BSE), or mad cow, what are it's effects, and...
What wind speed would be enough to blow somebody away?
Marsha Anisoquili (Many Ponies) Raymond
from St. Petersburg, FL, USA
If oriental is eastern and occidental is western, what is northern and southern?
Can Ozone be created? And if so, is it possible to patch up the Earth's protective layer of Ozone...
Are there any conflicting scientific views about the ozone 'hole' over the Antarctic?
Has anyone ever weighed nuclear reactions in reactors to see if the reactor weighs more while...
My son, James, and I cannot agree about the recoil of a gun. I believe that if a gun is fixed in a...
from the Internet
Why are portable phones called cellular phones? How do they work?
from Karachi, Pakistan
Why do we get coloured water if we put a slice of beet root in water but we do not get coloured...
How can I make a plastic object? I want to make a clear or translucent, thin cylinder that is...
Can you damage your hands by cracking your knuckles?
What's the percentage of male and female meteorologists in Canada?
Does the diameter of a tree have anything to do with the percentage of lichen coverage on the tree?
I am in grade 7 and attempting to do a Science Fair Project. I would like to know how I could test...
If we heat a square metal page with a circle hole in the center of it, what will happen to both the...
In our body fat is stored so we get fat. If we will eat only oil we will not get heart problem...
from hurricane w.v
If a person or infant is going to get freckles, at what point or age do they appear?
In the CANDU nuclear reactor, what initiates the fission process? I understand that the U235 in the...
What is the main problem faced by scientists studying the use of nuclear fusion as a source of...
from fort walton beach, fl
I just recently did an experiment using paper airplanes with different wing types (swept back at...
What is the oldest material on earth?
Why does a saturated solution of calcium acetate gel when either ethanol or isopropanol is added to...
How can I measure how much liquid is in an apple, lettuce, a potato, and an orange?
Can a sintered ore magnet be re-magnetized in a different configuration of its poles? Does it need...
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