What leaves at a volcanic eruption

What leaves at a volcanic eruption

The volcano is geological education over cracks and channels in earth crust which has the cone form with a crater at top. During a volcanic eruption on the earth's surface the lava, fragments of rocks, ashes and gases are thrown up.

As mountains are formed

As mountains are formed

The most beautiful mountain tops on which come to look at thousands of tourists, seem unique. Formed one thousand years ago, they change the shape to this day.

How to make radio-controlled model

How to make radio-controlled model

Modeling is popular and one of the most interesting existing hobbies. Before model gathered from various improvised materials, but now there is an opportunity for rather not the high price to acquire a set of model of any transport and with own hand to bring together her.

How to learn scale

How to learn scale

Scale shows how much the card reduces the real area which on it is represented. Only knowing this size, it is possible to lay off real distances on the map or the scheme of the area. It is possible to recognize scale by marking on the card. If that is not available, calculate it on lines of parallels.

What is the acrylic glass

What is the acrylic glass

Kitchen furniture, show-windows and even lenses make of special light-transmitting material today – acrylic glass. It is used for glazing of planes, by creations of show-windows, price tags and even domes.