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Hobbies & Science : Society & Culture & Entertainment
What Are Plankton?
Since water covers approximately 71 percent of Earth's surface, conditions of water and its inhabitants can have a heavy impact on the planet. Plankton make up a large proportion of aquatic populations. Various species of plankton live in bodies of fresh and salt water all over the globe. Although t
Florida Animals List
Florida panthercougar image by Photoeyes from Fotolia.comAccording to the Florida Fish and Wildlife Conservation Commission, there are at least 116 types of animals in the state of Florida that are endangered or threatened. An endangered species is one whose numbers are so small that it...
What Is the Chemical Formula for Hydrogen & Sulfur?
Hydrogen and sulfur are elements. The chemical formula for sulfur is S, which is the same as its symbol. Hydrogen's symbol is H; however, it forms a diatomic molecule in pure form so its chemical formula is H2. The chemical formula for the compound hydrogen sulfide is H2S.
Making a Water Fountain
A water fountain brings the relaxing sound of running water indoors to create a peaceful environment. Water fountains also add humidity to homes in dry climates, making it easier to breath. Store bought water fountains can be pricey; making one from home can be done for a relatively low cost. A home
How Are Alkaline Batteries Made?
CathodeWhile the alkaline battery's cathode is on the battery's outside, it is actually produced first. The material used to make the cathode is primarily a mixture of manganese dioxide and an electrolyte called potassium hydroxide--as opposed to ammonium chloride or zinc chloride in...
Astronomy Topics for Kids
The study of astronomy is a vast subject encompassing many different aspects of nature. Although some parts of astronomy may be complex, you can still introduce your child to the field. Your child may not be able to understand all aspects of astronomy fully, but there are a few things he will be abl
How to Test a Weller Soldering Iron
The Weller Company manufactures soldering irons and guns up to about 300 watts. The irons usually run under 75 watts, and the guns start at 75 watts. Use higher wattage irons for larger areas and lower wattage ratings for smaller areas. The most common solder contains 60 percent tin and 40 percent l
How to Make a Rabbit Cage Out of Wood & Chicken Wire
People raise rabbits as pets, for profit and for their meat and fur. Regardless of the end use, rabbits require a confined space that provides shelter, bedding, privacy, food and water. These spaces are called rabbit hutches or rabbit cages. A rabbit cage that is 2 1/2 feet by 2 1/2 feet by 4 feet i
How to Measure a Beach Slope Angle
Beaches are constantly changing. Every tide, storm and wind reshapes the finer details of the shoreline, and occasionally a single event can dramatically alter the entire beach. Regular measuring of beach slope angles is a recognized technique for monitoring erosion and deposition along beaches, as
How to Glue Rubber to Belts
Gluing rubber to belts must be accomplished by using an adhesive intended for gluing rubber to whatever material the belt is made of, which could be just about anything. Rubber embellishments, such as decorative shapes purchased at craft stores, can be added to belts to make a unique fashion stateme
Ideas for Building Models
Models are suitable for hobbyists of all ages.minature models for children to ride.car.motorcycl image by L. Shat from Fotolia.comBuilding models is an entertaining pursuit for hobbyists of all ages. Whether you are interested in mechanics, architecture or whole landscape, models build...
How to Calculate the Refractive Index of a Formulation
When light passes from one medium to another, such as from air to glass, both the speed of the light rays and their direction of travel change. Scientists refer to the ratio of the speed of light in a vacuum, which is constant, to the speed of light in the medium as the refractive index. The refract
10 Endangered Species of Birds
There are about 400 different bird species that are considered endangered, including birds from all over the world. The list also covers different types of birds, such as predators, scavengers and songbirds. To understand the full extent of birds that face extinction, it can be educational to look
Where to Plant Acacia Trees
With nearly 800 acacia tree and shrub species worldwide, homeowners can easily choose the one that suits their needs. Acacias may be upright or weeping, low growing or tall, spiny or thornless. Many have interesting nicknames, like prickly Moses (Acacia verticillata), catch-and-keep (Acacia retusa),
How to Remove an Old Paper Label in One Piece
Many people collect labels. Collectors preserve labels from perfume, whiskey and wine bottles. The labels collected are as varied as the products themselves. There are many methods to remove old paper labels intact from a bottle. Three methods are: chipping, soaking and baking. Chipping and soaking
How to Make Folding Knife Handles
After several years of hard use, the handle of that trusty folding knife you take everywhere may begin to loosen, crack or completely fall off. That does not mean it is time to throw away your favorite knife. In fact, you now have an opportunity to customize the knife with new handle sides so they w
Instructions on How to Build a Pottery Wheel
Pottery, just like other fields of life and art, has also been subject to the rising cost prices. It seems fairly clear that smaller numbers of people are going to be willing or even able to pay out larger and larger sums of money on future artistic interests. People will have to search for other m
How to Make Furniture Become Super Glossy
Quality furniture stores and decorating magazines frequently display high-gloss furniture with the type of sheen that resembles the mirror finish on a piano. In addition to providing a handsome look, multiple coats protect furniture, extending its life and value. Professionals use specific technique
What Stock Sheets to Use For a Stamp Collection
You want to store your stamp collection safely, but you want to be able to access your stamps as well. Stock sheets allow you to store your stamps, keeping them in order and safe from damage. Stock sheets are loose-leaf pages with holes along the left margin so you can store them in binders. Strips
Chemical & Physical Properties of Sucrose
Sucrose is commonly used as a sweetener in many beverages and foods. It is known as simple table sugar. As with any sweetener, sucrose should be consumed in moderation.