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Earth Sciences & Geology

What are some cool science experiments

I want it to be kind of original! I have a science fair thing coming up and I need an idea.. quick! It needs to be interesting and CANNOT be tested on any mammal (: Thanks!-One way is to take somethin

What's the best coin to conduct heat

I was thinking pennies (copper) but now they arent made of pure copper.. So whats the best: pennies, nickels, dimes, or quarters?-US dimes and quarters are made with an alloy that is 91.67% copper, th

Drinking sea water.....

If you were stranded in some sort of life boat in the middle of the ocean, is there ANY way you could use any tools to make the sea water drinkable just in small amounts,scarce enough to survive?-Dist

Find the volume of the hemisphere shown r=3

Volume for a sphere is 4πr³/3. Half of that would be 2πr³/3. As r = 3 then 2π(3²) or 18π. And you haven shown a hemisphere, so technically, its zero.

Wow, lots of big earthquakes this week

Do you think it has to do with that comet Elenin nearby?7 strong earthquakes (over 6.0) and one major earthquake all in one week is a pretty busy earthquake week.What do you think, is it the comet, or

Why does electricity go off when there's a storm

whats the science behind that?-Most of the time it is because a tree or limb was knocked over by wind or something and it fell on the power lines causing the electricity to stop. It can also be from l

Whats the most expensive metal on Earth

Platinum then comes gold etc but first comes the platinum metal group. but metals that hard to track thats a different scenario but just in case you might be interested metal in the bottom of the per

Can an earthquake be considered as a non-contact force

If it is not, what is a non-contact force that can affect my house? Thank you!-Hello Sarah .... An earthquake could be considered a non-contact force with regard to your house and other surface struc

Whats the likelihood of a large earthquake striking a major Australian city in the next 100 years

please elaborate! :))) thanks! :D-Well I guess it depends if you live near a fault line or if Australia is on a tectonic plate boundary. \ According to this map: http://www.rain.org/homeschool/scienc

Why does an organism need energy and a constant supply of material

pls help me!-the material contains vitamins, minerals, and protein... all these are necessary to maintain the body since the body is constantly losing material through excretions, evaporations, hair a

What are all the science tools and can you please tell me what they are used for

I need help looking for some tools like the one below: 1.)Which tool would I use to measure a small amount of corn syrup so it can be heated? 2.)Which tool would I use to help me handle several test t

Why do they use quartz in clocks

so yeah. anyone?-Quartz has the peizoelectric property,which was first found out by a natural explorer while travelling in forests of Africa.The property means that when a current is applied to quartz

In which stage does ground water become water

Evaporation, condensation, precipitation, or percolation ?-it is water, underground!!!!!!!!-Bro, water is water no matter what form it is...

What points should be covered in a presentation about geological evidence for evolution

Im doing a 10 minute oral presentation on geological evidence supporting evolution. The teacher hasnt specified what needs to be covered, but has left it open for us to decide. What aspects of geolog

What were the theories before plate tectonics and contracting earth? (Geology)

Continental drift, which differs somewhat from plate tectonics, was first proposed in 1910 (1911?). While it got the dynamic continents correct, the theory of drift proposed that the land masses plowe
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