Science

Refine Search

When do tornadoes happen?

Typically, tornadoes occur between 4 to 9 P.M., though they can appear at any time of the day. As of 2014, regions around the United States where tornadoes occur at a relatively high rate have been nicknamed the "Tornado Alley." While this term covers a majority of areas where tornadoes appear in the United States, deadly and violent tornadoes also occur outside of it.

Continue Reading

What are examples of natural resources?

Natural resources can be classified as renewable resources, nonrenewable resources and flow resources. Renewable resources are living and can renew themselves. Trees, crops and fish are examples of renewable resources. Water and soil are also renewable resources, but they are classified as nonliving things. Flow resources do not need regeneration or regrowth. Examples of flow resources include solar power and wind. Nonrenewable resources cannot be replaced once they are used up. Fossil fuels, coal and petroleum are examples of nonrenewable resources.\nNatural resources can also be classified i..

Continue Reading

What happens when a circuit becomes overloaded?

An electric circuit overloads when the current becomes greater than the circuit's design capacity can withstand. Circuit overloads can also be caused by loose or corroded wires and connections. A small overload may be tolerable for a certain amount of time, but a larger overload is only tolerable for a short period and may damage the whole circuit.

Continue Reading

What is the definition of physics from Ask.com?

A general definition of physics is "the study of matter, energy and the interaction between them." Matter is the form of physical objects and space-time. Energy is a fundamental force of nature transferred between parts of a system in the production of physical change within that system and can be regarded as the capacity for doing work. Put simply, physics asks fundamental questions about the universe and attempts to answer those questions through observation and experiment.\nOn the website Physics Central, the American Physical Society hosts descriptions of physics experiments to perform at ..

Continue Reading

What are some pecan tree facts?

Pecan trees have compound leaves. These leaves consist of a central stem that grows up to 20 inches in length. One central stem supports 11 to 17 leaflets, each growing up to 7 inches in length.\nSince pecan seedlings do not produce true to the parent tree, most are grown by grafting shoots or buds onto rootstock. This type of propagation ensures the new tree produces similar crops to those produced by the parent. It is also essential to ensure the tree maintains resistance to disease. Because of the size of the mature tree, it is necessary to provide a minimum of 70 feet between new plantings..

Continue Reading

What is a citrine geode?

A geode begins as a bubble in rock. Over time, mineral-rich water seeps through the matrix surrounding the interior cavity and deposits its dissolved minerals as crystals. The mineral components of the water determine the properties of the subsequent crystals, with traces of magnesium imparting a rich purple color. If, after the crystals are deposited, the geode is heated, the purple crystals are likely to turn citrine orange.

Continue Reading

What type of magma does Mt. Fuji have?

The destructive force of the 1707 eruption may have altered the internal structure of the volcano, meaning that it may currently contain a different type of magma than it contained in the past, when the volcano erupted somewhat regularly every 30 years. The Japanese government fears that the current dormancy of the mountain may be allowing it to stock up on a more explosive type of magma.

Continue Reading

What is the largest desert in the world?

More than 98 percent of Antarctica is covered by ice. This is the driest and coldest desert in the world. There are no permanent human residents in Antarctica; however, the continent receives thousands of researchers annually. The Sahara is considered the largest hot-weather desert in the world. The Sahara covers more than 3.5 million square miles.

Continue Reading

How many square feet are in a mansion?

As of 2014, mansions usually contain one or more rooms for entertainment purposes such as a home theater and a game room. They usually include lavish outdoor spaces such as courtyards, pools and verandas. Mansions are sometimes not single standing houses but a whole compound of buildings, such as the Kennedy Compound in Hyannis Port, Mass.

Continue Reading

What is high carbon steel used for?

Carbon steel is a type of metal alloy that comes in a variety of strengths. High carbon steel is just one variety of carbon steel based on strength. Others include low, medium and ultra, which is sometimes referred to as very high. The strength of carbon steel is directly related to the amount of carbon and manganese used in the making of the metal alloy. For example, low carbon steel contains less carbon and manganese than high carbon steel.\nThe two most common types of steel alloys are carbon and stainless steel. Unlike carbon steel, stainless steel is easy to recognize because of the shin..

Continue Reading
Showing 1121 to 1130 of 10000 (1000 Pages)