Tell Me Why?

What are Shooting Stars?

2008-12-26T05:15:00.009-05:00

There are many different sizes of rocks that can be found in space. As the Earth revolves around the Sun, it will be exposed to some of the rocks that come in its path. When these rocks collide with...

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What is the difference between practice and practise?

2008-06-20T04:00:00.017-04:00

Do not confuse "practice" with "practise". They sound the same and even look similar (except that one is spelled with a “c” and the other with a “s”) but their meanings are different. The word...

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Why is space black?

2008-05-23T00:37:00.022-04:00

Where there is no light then there is darkness. This means that a surrounding without light would be black in color. Our experience here on Earth (one common example, night and day) tells us that the...

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What is the Miranda warning?

2008-04-18T14:52:00.004-04:00

Miranda warnings (also known as Miranda rights) was a landmark U.S. Supreme Court case in 1966 of Miranda v. Arizona. Based on this court case, the Supreme Court made Miranda warning constitutionally...

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What’s the difference between the words its and it's?

2007-12-21T16:45:00.000-05:00

"Its", is the possessive adjective and possessive pronoun form of the personal pronoun "it". "Its" means "belonging to it." For example, The cat licked its paw. On the other hand, "it's" is a...

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Is there a difference between an emoticon and a smiley?

2007-12-14T23:09:00.000-05:00

Yes. A smiley is an arrangement of keyboard characters used to make facial expressions and gestures that are intended to convey emotion online (in e-mails, forums and chat rooms). In other words, it...

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How do Astronauts communicate in space?

2007-12-07T01:35:00.000-05:00

In order for one to hear sound it must travel through air (gas particles) of which space has very few per cubic centimeter. Sound can only travel through a solid, liquid or gas. Space being an almost...

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Is there sound in space?

2007-11-30T20:40:00.000-05:00

This question may seems similar to a question already asked (Can you hear sound in space?) however, it is a very good question for the intellectually curious mind. So, is there sound in space? The...

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When was slavery abolished in the US and what did freedom symbolize for African Americans?

2007-11-23T01:31:00.000-05:00

In 1865 the United States officially put an end to slavery, this was a water shed period in the history of the United States and in the lives of the millions of African Americans who lived to...

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What does it mean by a country having its independence?

2007-11-16T14:17:00.000-05:00

Independence is the self-government of a nation or country. It is one in which a country has its own government, and rules itself by being free from subjection or from the influence, control, or...

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Are dolphins and whales a type of fish?

2007-11-09T03:26:00.000-05:00

Dolphins and whales are not fish. Fish is any cold-blooded (poikilothermic) vertebrate animal that lives in water. A fish typically has jaws, fins, scales, a slender body, a two-chambered heart, and...

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Why is the sky blue in the day and black at night?

2007-11-02T09:30:00.000-04:00

During the day (daylight) the sky has a blue appearance because the Sun’s light (white light) is made up of rainbow of colors (red, orange, yellow, green, blue, indigo and violet) of different...

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Can you hear sound in space?

2007-10-26T01:59:00.000-04:00

Sound can only travel through a medium (solid, liquid or gas) by making their molecules vibrate. This therefore means that sound need any one of the three states of matter (solid, liquid or gas) in...

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What is Phobia?

2007-10-19T03:20:00.000-04:00

Phobia is used to describe a persistent, abnormal, and irrational fear of a specific thing or situation that compels one to avoid it, despite the awareness and reassurance that it is not dangerous....

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What is the Kinetic Molecular Theory of Matter?

2007-10-12T20:49:00.000-04:00

The Kinetic Molecular Theory of Matter is a concept that basically states that atoms and molecules possess an energy of motion (kinetic energy) that we perceive as temperature. In other words, atoms...

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What is meant by the term Winterkill?

2007-10-05T16:23:00.000-04:00

When ice covers a pond or lake, it prevents oxygen exchange at the water surface with the atmosphere. However, this is not a problem where oxygen availability is concern as long as light shines...

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What are the Three States of Matter?

2007-09-28T09:34:00.000-04:00

The three states of matter are solid, liquid and gas. These different states of matter are dependent on the motions and forces of the molecules of which they are composed and as such, they differ in...

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How does sound travel?

2007-09-21T09:34:00.000-04:00

Sound is transmitted by particles (atoms or molecules) in a solid, liquid or gas colliding with each other. It is a wave which is created by vibrating objects and propagated through a medium (solid,...

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What is Hydropower?

2007-09-14T12:34:00.000-04:00

Hydro-power is the capture of the energy (by means of waterwheels or hydraulic turbines) of moving water (falling or flowing water) to generate electric power. This falling of water can be from a...

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What is the GI Bill of Rights?

2007-09-07T12:57:00.000-04:00

The G. I. Bill of Rights was a bill that was passed by Congress in 1944 for returning veterans who were popularly referred to as GIs or G.I.s. It was officially known as the Servicemen's Readjustment...

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What was the reason for the US invading Iraq?

2007-08-31T12:58:00.000-04:00

There are a lot of speculations, reasons and arguments given as to why the US invaded Iraq. All claimed to give the “real reason(s)” for America’s motive in attacking and invading Iraq. However, to...

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What is meant by the term New Deal?

2007-08-24T15:32:00.000-04:00

The New Deal was the title given to a series of programs (policies and measures) that President Franklin D. Roosevelt initiated between 1933 and 1938. It was a plan that aims to bring economic...

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What's the difference between Weather and Climate?

2007-08-17T02:27:00.000-04:00

Weather is the specific day-to-day conditions of the atmosphere at a particular place and time. It describes the state of the atmosphere with regard to meteorological conditions (variables) such as;...

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What is Sound?

2007-08-10T13:03:00.001-04:00

Sound in simple terms, is a vibration that is transmitted through an elastic material or a solid, liquid, or gas. For sound to travel, it will always need a medium to travel through. These mediums...

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Why are some clouds dark in appearance?

2007-08-03T20:50:00.000-04:00

A cloud is a visible mass of water (tiny water droplets and/or ice crystals) suspended in the atmosphere at a considerable altitude. Clouds are usually white in appearance whereas others can appear...

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