Guide to Space
How Many Oceans are there in the World?
How many oceans are there in the world? This question may not be as easy to answer as you may…
What Is Static Electricity?
[/caption]Wonder why you sometimes get zapped when touching a doorknob especially during winter? People will tell you it's a simple…
What Is Sound?
[/caption]Light and sound are both waves. However, the former can travel through a vacuum while the latter cannot. So what…
Oxygen Cycle
The oxygen cycle is the cycle that helps move oxygen through the three main regions of the Earth, the Atmosphere,…
Earth Surface
[/caption]Most of the Earth surface, about 70%, is covered with water. The remaining 30% is made up of the seven…
Does The Sun Move?
[/caption]Does the Sun Move? What an interesting question. We mainly talk about everything in the solar system orbiting the Sun…
Formula For Velocity
The formula for velocity is one of the first that you learn in physics. It is also one of the…
What Is A Moon?
Before the invention of the telescope in the early 1600's, man just knew of the Moon -- a round, mysterious…
Radiation from the Sun
[/caption]Radiation from the Sun, which is more popularly known as sunlight, is a mixture of electromagnetic waves ranging from infrared…
Earth Formation
One of the oldest questions for mankind is how the Earth was formed. However, no one has an exact answer.…