What Makes the Wind Blow?
What Makes the Wind Blow? Wind is air in motion. Wind is caused mainly by the uneven heating of the air around the earth by the sun. Since t
Tag
Radiation
How Does an X-ray See Inside You?
The X-ray picture a doctor uses to see inside your body is really a shadow picture of your bones and organs. X-rays are a kind of invisible
What Is a Comet?
A comet is a huge ball of ice and space rock that orbits the sun deep in space. Occasionally, one passes near the earth and the sun. As it a
How Will You Define Gamma Ray?
Scientists define Gamma ray as an electromagnetic ray, a packet of electromagnetic energy with the shortest wavelength and highest energy in the electromagnetic spectrum.…