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Earth Sciences
Earth Sciences is the study of the Earth in terms of Geography, Geology, Geophysics, etc. It combines the use of Sciences such as Biology, Chemistry, Physics and Mathematics to understand the Earth System.
Total questions 55700
Why are the oceans salty?
The salt in our oceans is the result of millions of years of minerals leaching and disolving from the solid earth. The major...
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What are satellite waves?
Waves from a satellite.
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What is the weight of the Earth?
Weight of the Earth Newton showed that, for spherical objects, you can make the simplifying assumption that all of the...
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What is the circumference of the earth?
The circumference of the Earth at the equator is about 24,901.46 miles, or 40,075.02 km. Earth is not a rounded sphere, but is...
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How is the ozone layer being destroyed?
Ozone breaks down in the ozone layer in the following major ways: N2O* encounters water vapor, and can no longer help form...
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What is global warming?
Earth has warmed by about 1ºF over the past 100 years. Scientists are not certain why. Many of the world's leading climate...
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Why does fire need oxygen?
Fire is the result of an oxidation reaction which gives off heat and light. It requires a fuel to burn, an oxidant (usually...
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Do plants grow faster under certain colors of light?
Plants do not feed on UV light, they find it harmful just like all living things do as it damages DNA. and yes different colors...
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Why is ecology important to us?
Ecology is of utmost importance to all species including us. We, like all other animals depend on this earth for everything;...
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Got offer from texaco consultancy nigeria limited in Oil and Gas field.. kindly tell you in details for all necessary information which help you a clear picture of company profile?
IT IS A WORK OF SCAMSTER AND FRAUD < I HAVE ALSO RECEIVED A MAIL REGARDING THIS > I DONOT UNDERSTAND HOW ON EARTH CAN I GET...
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What is the difference between chemical and mechanical weathering?
Mechanical (physical) weathering is the breakdown of rock into smaller particles due to such factors as freezing and thawing,...
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If the atmosphere is so high why are trees and live beings so small?
Theoretically their is nothing stopping us (flora and fauna) from having evolved into larger individual entities. But, their are...
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Which is hotter Blue flame or red flame?
Assuming we're not throwing ions into the flame and the color is due strictly to temperature, the blue flame is hotter. The...
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What is soil degradation?
Soil degradation is when soil deteriorates because of human activity and loses its quality and productivity. It happens when soil...
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Who discovered global warming?
Global Warming The first time I was made aware of global warming was in a discussion with a scientist working for an...
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What would happen if the ozone layer vanished?
we would just have to adapt to the new climate like we have adapted to things in the past. there will be a very great risk of...
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How can we help save the earth?
Don't litter or pollute. Encourage people to drive more slowly (almost everyone drives above the speed limit) and ask them to...
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What are bayous?
A bayou is a small, slow moving stream or creek. Bayous are usually located in flat, low-lying areas. Many bayous are home to...
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What evidence did Alfred Wegener use to support his theory of continental drift?
Alfred Wegener's fully developed theory of continental drift attempted to point out evidences that the continents were once...
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What are the benefits of thunderstorms?
There are many benefits from thunderstorms: Thunderstorms are a direct result of atmospheric heating and increased air...
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What is hydrogen gas's nature?
The atomic number of hydrogen (H) is 1 The atomic weight of H is 1.00794 grams per mole. Hydrogen gas exists as a diatomic...
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In what type of rock do most fossils appear?
Rarely a fossil may appear in metamorphic or igneous rock, but the vast majority of fossil evidence presents itself in...
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Does solar radiation heat the earth's surface?
Yes, solar radiation heats the surface of the earth. Sunlight warms the planet and keeps us and other living things alive. It...
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How do we test hypotheses?
by collecting data. Experimentation In our experiments we attempt to set up conditions so that we know that the outcome of the...
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What is a seismoscope?
Vibrations A seismoscope is an instrument used to measure vibrations of the earth's crust. Generally, scientists use these...
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What is the pH of the ocean?
8.179
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What is an example of homeostasis?
examples of homeostasis: regulation of body temperature, control of blood glucose levels, the regulation of salt and water...
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Where is the Snowy River located?
The Snowy River is a major river in south-eastern Australia. It originates on the slopes of Mount Kosciuszko, Australia's highest...
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What does the drifting of an iceberg have to do with volcanic activity?
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Is there more salt in oceans or seas?
um will i know that the oceans have salt becuz sharks can't live with no salt this is true
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When will the earth stop spinning?
The Earth rotates around the Sun, and around its own axis. The Earth will still be spinning in 5 billion years when the Sun will...
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What is a red tide?
A red tide is a bloom of a certain type of toxic dinoflagellate (a type of algae) belonging to the genus Gonyamlax. The...
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What is planet Mercury's best known feature?
That would be the craters on its surface, particularly the Caloris Basin, a 1500 km impact crater.
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How will the oceans influence climate in Osaka and Los Angeles?
Do your own work .. lol You should be reading the S216 study notes and not hoping somebody will give you the answers on...
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What makes up the ocean?
water
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Where is Ira Joe Fisher?
Ira Joe Fisher of CBS is missing! I am not sure! His bio is still on the CBS website. We miss seeing him on The Saturday Early...
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If a plant needs 1 inch of water per week how many gallons is needed?
One square foot is 144 square inches, so if you cover that with an inch of water you'll need 144 cubic inches. One gallon is 231...
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Why do Pin oaks have bright green leaves?
As the Pin Oak is most comonly found in areas in which sunlight is plentiful, this means that it requires less chlorphyll to...
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What is a health hazard?
A health hazard is a warning against what could potentially adversely affect one's health. It could come in the form of a symbol...
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What is a barometer useful for?
it is useful to measure air pressure!!! =3 email me at: khhall77@gmail.com or khhall7740@yahoo.com
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Where does electricity come from?
The electricity that is used at home comes from power generators. Sometimes power generators are located miles away. (For where I...
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What are the types of precipitation?
precipitation stratiform and convective
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What city in the U.S. gets the most tornadoes?
. Rural areas in Kansas and Missouri get hit by the most tornadoes.
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Why are granny smith apples sour?
Acidity, or low pH. If a Granny Smith apple is allowed to ripen fully on the tree so that it has a red blush, it will develop...
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Who was William Gilbert and what did he do?
The field of Physics, William Gilbert is known for his work with magnetic fields. He observed that 1) Magnetic field lines...
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What is the English word for the path of light on a body of water made by a light source like the moon or sun?
Thanks Aratelad, though this isn't correct. See http://dictionary.reference.com/browse/luminescence for the definition of...
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How can plants cause weathering?
Weathering is the process of breaking down rocks, soil and their minerals. There are several different types of weathering...
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What are the two continents in the world with the largest land areas?
Asia is the largest Africa is the second largest
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What is evaporation?
Evaporation is the process of liquid turning to gas by the folowing mechanism: The fastest moving molecules (those with the...
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What is erosion?
Erosion is the process of the movement of loosened materials from one place to another, and generally occurs when the material is...
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What is an andesitic stratovolcano?
Andesitic strato volcanoes are the classic,tall,cone shaped large volcanoes containing both lava & pyroclastic materials.The...
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What is lighter than water vapor?
something that is lighter than the molecular mass of water.Mr of water= 2(1)+16 =18therefore, anything with a...
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What is crystallized mineral salt?
In a word - Fertilizer, as in the water-soluble crystals that can be found at most department stores and garden centers.
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How can you determine how far away a lightning strike is by the time between the flash and the thunder?
The distance between you and the lightening can be estimated by counting the seconds between the two. Since sound travels about...
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When air is warmed what happens to its density?
Heat causes expansion, which reduces an object's density. The tighter together the molecules are the denser the object, when you...
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Why are clouds shaped the way they are?
Clouds get their shape from the amount of air and water in them. These 2 elements form a cloud and it's shape. Answer Depends...
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What is the name for a glacial basin?
A glacial basin is called a "cirque". CIRQUE Answer What is the name for a Glacial Basin?
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What herbicide kills johnson grass but not bermuda grass?
Drive, I am guessing MSMA or DMSA ( monosodium methanearsonate, disodium methanearsonate). These herbicides are very...
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What color are clouds originally?
cut_o4_mahal ang kulay ng clouds ay black talaga.... kc nga diba polluted na ang earth ngaun talbog kau no.... Answer...
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What keeps a cloud suspended in the sky?
They are continuely changing
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What is the source of the Earth's internal heat?
The source of the Earth's internal heat is a result of gravitational compression and to a much lesser extent, the decay of...
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How is mean sea level defined?
Mean Sea Level There is a point in Cornwall, in the UK, where there is a hatch in a building and underneath is a mark from...
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How to tell if your gold flakes are real or fools gold?
assay
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Can a nuclear power plant have an effect on the weather?
In the strictest possible sense, yes, since it does release heat into the environment. However, it will have MUCH LESS of an...
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Why are green plants at the top of the food chain?
Because after the sun lets it photosynthesis, herbivores need it to survive. Answer Actually, they are nowhere near the top...
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What can you use to take moisture out of the natural gas from your natural gas well?
ADD SOAP STICKS
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Pollination in a flower is the same as what in an animal?
Fertilization. IN ADDITION: Its the same as sexual reproduction. A big difference is that most plants can self pollinate...
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What is the texture of amphibolite?
Amphibolite has a schistose texture, medium to coarse grained and platy. Answer Amphibolites are included in family of...
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What are the properties of magma?
http://en.wikipedia.org/wiki/Magma
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What liquid can ice sink in?
Vegetable oil? Answer Any liquid that float over the water will make the ice sink if placed on it.Kerosene, gasoline, and...
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Can a rainbow in the sky be seen from space?
No
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Name one archipielago?
A group or cluster of scattered islands.
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How are stars formed?
Stars are formed as huge clouds of dust and gases, mainly hydrogen and helium. This is combination is called nebula .As the dust...
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What are the phases of the moon?
The Phases of the moon are: New Moon Waxing Crescent First Quarter Waxing Gibbous Full Moon Waning Gibbous Third Quarter...
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Which salt melts ice faster. rock salt table salt or sea salt?
table salt will melt ice faster at least i think
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Who invented the Hubble Space Telescope?
Some say i dont know but i know that Edwin Hubble created the second version of the telescope..... In 1929.....
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Which are the five oceans?
1. Pacific Ocean (65,300,000 mi2 / 169,200,000 km2) 2. Atlantic Ocean (41,100,000 mi2 / 106,400,000 km2) 3. Indian Ocean...
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Is temperature affected by elevation?
Yes. It is called adiabatic heating & cooling.
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Can it lightning while it snows?
Absolutely! A snowstorm is just a cold thunderstorm. You can have lightning, thunder and very high winds.
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What does cellular respiration and photosynthesis have in common?
Plants fo photosynthesis ................animals do cellular resperation. <3 Both the processes are performed by...
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Why don't trees grow above the timberline?
Mostly because of high winds, low soil moisture, and cold temperatures.
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What is the formula for photosynthesis?
6H2O + 6CO2+ Light Energy ----> C6H12O6+ 6O26 molecules of water + 6 molecules of carbon dioxide --->1 molecule of glucose...
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Where can you find historical oregon weather data?
Try the National Climate Data Center in Asheville, North Carolina
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What is the equation for gradient?
The gradient is the change in the value of 'y' (the vertical value) divided by the change in 'x' (the horizontal value).
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What state has the most sunny days a year?
See Related Links Arizona. See the Related Links for "USATODAY.com - Sunshine State isn't the sunniest" to the bottom for the...
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What insect is light green with antenae four shorter legs two very long legs and has pincers?
Could it be a praying mantis?
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Yellow ocher is used in paint manufacturing. it is get from earth.How do you sell yellow ocher what is the price of yellow ocher?
use of yellow ocher what is the main use of yellow ocher. and what is the cost of its. and where is the paint factory in india....
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What is the shortest day of the year in North America?
December 21st. Note: This is the day with the shortest period of daylight. It is not the shortest day reconing with solar time...
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What is soil?
It is the top layer of the earth in which plants grow, a dark brown or black mixture usually of mineral and organic constituents,...
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Starting velocity for a free falling object is 0 ms Ignoring the effects of air resistance what is the speed in ms of the object after falling 3 seconds?
All other things being equal, earth's gravity can be described as 9.8 meters per second per second. The value changes a bit...
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What slow moving animal releases a foul smelling odor when attacked?
Toads and skunks are two. there are probably more keep an eye on your discussions page or try searching animal scent glands.
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What is dawn and what is dusk?
dawn is when the sky first lightens before the sun is rising at the horizon and dusk is approimately one hour after sunset as the...
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Winds in Indian Ocean change directions Southwestern winds in Summer and Northeastern winds in winter Why and how this happens?
I believe following can be one of the factors but would be interested in a more detailed response. :) In summer land gets heated...
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What is primitive science?
A SF Bay Area (California) Based Radio Show featuring Nothing but the best in DnB, Jungle, Techstep, Neuro, Dubstep, Hardcore and...
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Why are storms classed as Lows with severe winds and not cyclones?
Cyclones too are low pressure areas as like storms.But cyclones contain both a worm front & a cold front.Which the storms lacks....
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How do they know that inside the Earth it's liquid?
Readings from seismic and earthquake waves have revealed the liquid nature of Earth's outer core. The crust and attached...
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Why does the surface of the Earth show fewer meteor impact craters when compared to the surface of Mercury or the moon?
Mainly because of the Earth's atmosphere. First of all, when meteors enter the atmosphere, many of them burn up completely...
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Why do power lines emit noises and would they be harmful to people or other animals?
Harmful sound of electricty. The sound you hear is electricity. Everything that uses electricity also emits a sound, like your...
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What is pumice used for?
Pumice is a dental abrasive, abrasive hand soap ingredient, soil conditioner, and cosmetic skin abrasive.
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How can they say that no two snowflakes are identical?
There is no way imaginable that this could be proven. It is an assumption based on our current knowledge of how snowflakes are...
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