When you are writing an oral report about different landforms around the world, you can make your presentation more interesting and exciting by combining it with a visual display. For example, if you are writing a report about river basins, you can build a model of a river basin using basic craft su

If you think that feather duster worms have something to do with cleaning, think again. Feather duster worms, also known as fan worms, are legless, marine invertebrates. They belong to the class known as bristle worms. A colorful crown of tentacles sets the feather duster worm apart from their other

The chemical name of Plexiglass is polymethyl methacrylate, also knows as methacrylic acid. In 1931, the United States began manufacturing acrylic resin to coat industrial machines and glass binders. Five years later, this resin was formed into a transparent sheet, and the acrylic era began. These a

Reginald Punnett originally developed Punnett squares, basing his work off of Gregor Mendel, to show selective trait inheritance in breeding. These squares were used to create the basis of modern day genealogy, by showing how dominant and recessive traits are passed from two parents to their offspri

Manufacturers often describe a bullet's power in terms of its kinetic energy as it flies through the air. Yet as U.S. Department of Justice bullet selection analysis proves, this metric is not particularly useful in describing a bullet's effectiveness. A bullet's penetrative power is proportional to

You don't have to walk to an object to obtain its relative height. Instead, you can use geometry and a few tools to determine the height remotely. The key is to determine the exact height from your position and apply it to the relative proportionality rule. The relative proportionality rule states t

Hydrogen used to be a lifting agent for zeppelins.Zeppelin in hangar image by zeppelins from Fotolia.comHydrogen, represented by H in the periodic table, is the lightest chemical element. It is the most abundant element in the Universe, but despite this, naturally occurring hydrogen is...

Glass etching is a relatively simple process that can yield quite elegant results. It requires very few supplies, so the initial investment is minimal and you won't need much storage space. Your creativity and a steady hand are the most important requirements for making beautiful engraved glass art.

Surfing is not just a fun water sport for some -- it is a way of life. Seen by its aficionados as the closest way for humans to commune with nature, surfing is popular the world over. The process of layer-coating the surfboard with fiberglass is called "glassing." This method must be done correctly

The Indian Ocean provides a habitat to a broad diversity of animals, including reptiles, mammals and thousands of species of fish. New species continue to be discovered, indicating the depth of the species richness found in the Indian Ocean. Unfortunately, some of these animals are in danger of beco

MusicReader is an application for desktop, laptop and tablet PCs that allows you to display sheet music with which you can play along. MusicReader 4.0 reads music that you upload in PDF format. You may have a Music Reader 4.0 file that you want to read in MusicReader 3.0. Although you cannot read PD

There are many reasons why you might want to separate iron filings and deposits from a collection of dirt or sand. You might be seeking to remove harmful particulates from an area where children play, like a sandbox. You may be looking to extract valuable metals from the soil but not want to invest

The Dead Sea has the highest salt content of any of the world's seas. The Encyclopedia Britannica indicates that the name can be traced back to the Hellenistic period (323 to 30 B.C.).

Some remote control vehicle enthusiasts, particularly airplane fliers, prefer to make their own glow fuel, especially if they enter racing competitions and want to gain an edge over competitors. Glow fuels are used in smaller engines that use glow plugs for fuel ignition, rather than the larger engi

Stamp collecting is one of the most popular hobbies in the entire world, with more than 20 million Americans actively involved this hobby. This pastime gives the collector the opportunity to keep and store small pieces of history and souvenirs from around the globe, connecting collectors everywhere.

The refrigeration cycle removes heat from spaces.K??hlschrank image by Elisabeth Bilewicz from Fotolia.comA typical refrigeration system--called a vapor compression cycle--circulates a liquid refrigerant or coolant in a closed loop. As the refrigerant is circulated through hot spaces, it...

Candle makers have a trick they use to clean candle molds that you can use to clean wax from your jars. While you may be able to remove large pieces of wax from a glass jar with relative ease, ensuring that you remove all the wax can be a little tricky.

Sealing a model with the proper clear coat products is an important part of the build-up process and, in many cases, sealing happens more than once and often with more than one kind of sealant. A sealant can both protect a model kit's paint job, and help prepare a surface for decals. Flat coats and

What to do with all that garbage?Yasuhide Fumoto/Photodisc/Getty ImagesAccording to Annenberg Media, in the United States, each person creates almost 5 pounds of trash every day. This includes glass, plastic, metal, paper, and rubber that could be recycled. Instead, the majority of waste...