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How long would it take for the Earth to freeze if the Sun burnt...

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How many active volcanoes are there at any onetime on the Earth, and how much "Greenhouse" gas do they produce in one...

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Are Canadian dimes made out of zinc? What about quarters, nickels, loonies and...

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What is your personal view of global warming? Do you believe that humans are having a significant role on the current rising temperatures of the...

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I do not know if this might relate to Global Warming, but I notice no one has mentioned (maybe I missed it), The fact millions of gallons of liquid,...

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If the sun is a heat source, and as the sun gets closer to the earth the heat intensifies, then why are mountian tops, which are closer to the sun,...

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Ethanol is the focus of many tax dollars these days. It seems to me that the burning of any hydrocarbon is going to contribute to added...

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This question relates to global warming. Recent science news reports that the temperature of the earth is at a million year high. I understand that...

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How long would it take for the next Ice Age to...

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Is it possible for the air that we breathe to either run out or deteriorate to such an extent that we all slowly suffocate? Can this be caused by...

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If the world's land was distributed evenly between all humans how much would we all possess? This also goes if it were done with gold, silver, oil,...

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Why is the sky...

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Is snow a conductor or an...

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Why are the water levels of the Atlantic and Pacific Oceans different at the Panama Canal if they are all part of the same body of water? Is there a...

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Can you explain paleomagnetism? From what I've read, I've learned that paleomagnetism is the study of magnetism in ancient rocks, and several million...

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It truly seems that the world is indeed warming up and I do believe it is being caused by us. However, what is the irrefutable evidence that this...

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I am having a problem understanding the Earths Atmosphere. It started years ago with the simple observation that the molecules in water weigh less,...

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At what depth into the soil do temperatures remain constant and what would that temperature...

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What is the chemical formula for...

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Does the Earth's core rotate with the...

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Recently I read that U.S. scientists say the ozone layer is shrinking over Antarctica. I would be interested to know what Canadian scientists say...

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Does a volcano erupt for a certain time limit? And, is there a known degree of heat that the magma is...how hot is...

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I was recently reading an article about large amounts of fish dying on very hot days due to oxygen depletion on Long Island. I was wondering, what...

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My question is regarding plate tectonics. Is there a possibility that the extreme meltoff that we're seeing in the Arctic Circle could cause...

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What is the percentage of salt in the...

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What would happen if nuclear waste was dumped into a lava flow or a...

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I would like to know what causes inverted icicles. I have a photo I've just taken if you need to see it. Our puppy's water bowl outdoors has had...

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I've heard that the oceans of the Northern Hemisphere are warmer than those of the Southern Hemisphere.  Why is this...

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What are the values for Heating Degree-days and Cooling Degree-hours for the Toronto, Ontario...

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We weren't allowed to put in a permanent dock because it affected the ecosystem. Can you please explain the effects on the ecosystem of the St....

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Who invented the nephoscope? When was it invented? ...

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Where can I find the degree day calculations for different regions in British Columbia and Alberta for 2001, 2002 and 2003? They are not listed on...

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Do scientists have a method of breaking CO2 down to oxygen and carbon? If so, would this be more cost effective than pumping CO2 into the...

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Do all meteorologists have to work shift work before they can go on and do other things? How do you handle being wrong all the...

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Please explain an experiment that can only be done on the Spring Equinox March 21st. You can make eggs stand up on end by themselves, but only on...

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Do you have any information on Alice Wilson, the...

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Evacuations of the earth's core through volcano eruptions, the pumping of oil, gas, etc., must leave voids. If this is so, what will eventually...

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How are minerals used in the production of Canadian coins? ...

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How and where is aluminum...

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I was reading a text which stated that scientists have used ice cores to calculate prehistoric CO2 levels and temperatures. I can understand how...

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I am considering an idea to measure the effects of ozone depletion. I intend to use an ozone making machine in my school, and mix ozone with say,...

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Why don't hurricanes hit the country of Panama? Is there any data predicting the probability of hurricanes hitting Panama within the next 10 years? ...

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Why are clouds flat on the bottom? Is it because the air is somehow denser on the level below the...

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How and when did the Great Barrier reef develop? Is it still developing...

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How far have scientist been able to dig into the earth...

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How do you determine the proportion of the various gases in the...

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If you light a campfire inside a cave in a permafrost zone will condensation form on the cave walls? Can you speculate on this? We are writing a...

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What exactly do meteorologists mean by the term "high pressure"? Do they mean the weight of the column of air above ground or is it some...

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How many water and wastewater treatment plants in Canada are using chlorine gas for...

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What is the oldest material on...

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Are there any conflicting scientific views about the ozone 'hole' over the...

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Can Ozone be created? And if so, is it possible to patch up the Earth's protective layer of Ozone with...

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Why does water not sink down through the ocean...

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As everyone had heard in the news, as a result of the Indian Ocean earthquake and Tsunami of Dec 26, 2004, the earth's spin axis has changed 2.5 cm...

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How come on a warm clear day clouds form at...

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(1) What quantities of the earths atmosphere are lost to outer space over a given time? (2) how much is added to the earths mass by meteorites and...

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I am looking for general inofrmation about pangaea the supercontinent. If pangaea was a super continent that encompassed all the current continents...

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Can nuclear tests produce earthquakes? India started nuclear testing, then Pakistan followed in 1998. Then early in 1999, there was an earthquake in...

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How do fronts affect temperature? Do pressure centres affect temperature as well? I know that they determine whether the sky is clear or cloudy, but...

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What wind speed would be enough to blow somebody...

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With the volume of the earth, how many baseballs can fit inside...

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What is the highest and lowest canadian recorded air...

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How are mountains...

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Is it true that gas particles at higher altitudes are farther away from each other than at lower altitudes, and, if this is true, does it apply to...

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What makes the horizon glow pink and...

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Why does solar energy lose some of its strength when entering through the...

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Why are the time zones on maps rated as longitude & latitude in degrees and...

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Is there a standard formula that will convert altitude into pressure? I'm interested in altitude from sea level to approx. 500,000 feet. I would like...

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Why are sounds so much louder downwind, even when the wind is...

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We all know that earthquakes are one of the primary causes of mountain formation. Does the resulting mountain have an effect of limiting subsequent...

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How does cold front differ from warm front? How does a slow moving cold fromt differ rom a fast moving cold front? In which direction does the wind...

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What happens to a compass when it is held exactly on magnetic north? Does it just...

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If, as we know, Carbon dioxide - a potent greenhouse gas - is heavier than air,  why is it a problem in the upper...

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I am wondering how water/air changes it's molecular structure so that when air is heated it contains(potentially) more water than when it is cooler....

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Mt.Everest has two peaks, correct? What is the height of Mt.Everest' second...

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I have noticed in Toronto for the past two years, that the weather has been abnormally cloudy in the Fall/Winter. Is this a short-term phenomenon or...

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How can you measure the energy of an ocean wave? Is there a reasonably simple equation that describes the energy in water...

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Since trees hold CO² and produce oxygen, why would it not be beneficial to have marginal farmland planted in trees, possibly through a...

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What is the volume of breathable air on the earth? Perhaps as one...

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Is it possible to 'see' a thermal? As the thermal is invisible to the naked eye, is there some way to detect either the heat (as the thermal is...

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What is the relationship between rain intensity/rain rate and visibility? What resources can I refer to for further...

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If air is a gas, and gas explodes when heated (in an eclosed space, the atmosphere), does that mean that if the Earth gets hot enough, it will blow...

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How did dinosaurs die? If they died due to a comet impact on the Earth there will be dust particles of comet someplace. Is there...

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Why does lake water change temperature at a slower rate than the...

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I would like to know how much oxygen is in our breathable air, and also if it has ever been 50%. If so, when? ...

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Is there any evidence that the Green House Effect is not caused by industral gas...

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Last year a friend of mine widened and deepened an existing pond on his property. A considerable amount of grey clay was excavated at the time. The...

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The earth receives energy in the form of radiation from the sun. Some is re-emitted into space and some heats the surface of the earth, the...

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If global warming exists and a large amount of energy is trapped in earth every day, why do we need extra solar energy? If all that energy becomes...

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What would happen if the Earth were to very gradually stop spinning? Would one side become unimaginably hot, and the other freezing cold? If so,...

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We used to have a wooden stick on the outside of our house. It measured air pressure or humidity or something. It seemed that when the air...