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Teach kids about astronomy

Tip Sheet Credibility: 4

submitted by landocheese 2011-11-21 11:11:20 pm


Start with something easy like looking for a big crater on the moon. The kids will get the feel for a telescope and want to go on the the next thing. http://excerptz.com/2011/11/21/teaching-kids-about-astronomy/

Tip Credibility: 4


submitted by landocheese 2011-11-21 11:11:20 pm    


submitted by sanfo 2011-10-15 02:21:10 am


As an aluminium extrusion supplier, we are always looking for new ideas. If your aluminium extrusion suppliers are not giving you the service or the prices and choice you need, you need to have a look around because there is a lot of choice out there.

Tip Credibility: 4


submitted by sanfo 2011-10-15 02:21:10 am    


Definition of derivative of a function

Tip Sheet Credibility: 4

submitted by prit_01 2011-09-06 04:23:36 am


If a function is y = f(x), then the derivative of a function at a given point of x is the limit of x tends 0, the ratio of very smaal change in y due a smaal change of x at a given point. The derivative of a function is slope at a given point of y= f (x).

Tip Credibility: 4


submitted by prit_01 2011-09-06 04:23:36 am    


submitted by Mani_shah55 2011-08-17 11:09:07 am


When you start solving questions firstly understand the question and then find out the category of the question. First start solving the simple and basic questions to normal and then complex questions. Do practice it will increase your capability.

Tip Credibility: 4


submitted by Mani_shah55 2011-08-17 11:09:07 am    


submitted by allen-douglas 2011-07-20 03:01:26 pm


You should start your kids on a regular sleep schedule that will allow them to easily make the adjustment to the sleep they will be getting when they return to school.

Tip Credibility: 5


submitted by bdelp 2011-09-20 01:28:29 pm    


Earthquake Prediction in the Midwest

Tip Sheet Credibility: 4

submitted by mengebawy 2010-09-12 02:19:35 am


The US Geological Survey predicts that the Midwest has 25-40% chance of a magnitude 6.0 earthquake in the next 50 years, and 7-10% for a magnitude 7.0-7.5 earthquake. The main earthquake source is the New Madrid Seismic Zone in Southeastern Missouri.

Tip Credibility: 4


submitted by mengebawy 2010-09-12 02:19:35 am    


submitted by seller35 2010-08-23 01:23:39 pm


How would you like to have a power generator that can supply free energy to meet your needs? And it is dependent on neither sun, wind, water nor muscle power.

Tip Credibility: 4


submitted by seller35 2010-08-23 01:23:39 pm    


submitted by Eric Troy 2009-11-19 03:00:22 pm


'Quantum" is another buzzword to be leery of anywhere it's being used to sell something. Quantum physics is a real science, but it's strange and difficult to understand, so scam artists often use the word to add a "sciencey" air to their nonsense.

Tip Credibility: 73


submitted by drl2 2011-10-26 10:58:47 am    


How To Levitate

Tip Sheet Credibility: 4

submitted by Myrawlaughter 2009-11-14 02:55:53 pm


Levitating is quite simple. Just take 2 fingers and do a golf-clap. This will create dark matter surrounding you (hence why tiger woods is so great at golf). The dark matter will then be exerted through your feet causing you to slow levitate! Try it!

Tip Credibility: 4


submitted by Myrawlaughter 2009-11-14 02:55:53 pm    


What is a Square Free Number

Tip Sheet Credibility: 4

submitted by stesie4469 2009-10-26 02:03:57 pm


In mathematics, a square-free, or quadratfrei, integer is one divisible by no perfect square, except 1. For example, 10 is square-free but 18 is not, as it is divisible by 9 = 3squared.

Tip Credibility: 4


submitted by stesie4469 2009-10-26 02:03:57 pm    


Lunar Letters

Tip Sheet Credibility: 3

submitted by Mitch 2009-10-22 09:44:44 am


In the Northern Hemisphere, the moon spells DOC each month. First it looks like a D (waxing moon and gets bigger each night), then an O (full), then a C (waning moon and getting smaller each night). South of the equator, it’s reversed and spells COD.

Tip Credibility: 3


submitted by Mitch 2009-10-22 09:44:44 am    


submitted by slikvee 2009-08-30 09:29:19 pm


You can use live radar weather maps from NWS and NOAA,online, FREE of charge, in addition to your home weather station, in order to forecast the local weather accurately, often better than the local TV weatherperson.

Tip Credibility: 5


submitted by slikvee 2009-08-30 09:29:19 pm    


submitted by trustbc 2009-08-11 11:37:56 am


There's a big one on my birthday November 18th every year ... enjoy. PS - a pillow and blanket will save your neck.

Tip Credibility: 35


submitted by Commercial Realtor 2009-11-16 06:40:59 pm    


submitted by Impact Productions 2009-07-18 07:56:23 am


Cut off a very thin slice of cork and position it on a single drop of water on a slide, with a cover slip on top. Investigate it under the microscope. This will enable you to see the tiny compartments inside cork.

Tip Credibility: 9


submitted by Impact Productions 2009-07-19 01:49:42 pm    


submitted by vedicmath 2009-07-17 09:47:11 am


Rewrite it as (1000-6)x(1000-4). Multiply out to get (1000x1000)-(6x1000)-(4x1000)+(4x6) Seeing these patterns, you should be solve this style of arithmetical problem in seconds.

Tip Credibility: 6


submitted by Impact Productions 2009-07-18 07:21:52 am    


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