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Marine-Otters Habitat

Marine otters are broad-muzzled, brown-furred mammals that live in the Pacific Ocean. In 1976, the U.S. government declared the marine otter an endangered species, a designation that persists today. According to the University of Michigan Museum of Zoology, only about 1,000 marine otters exist in th

How to Date Old Sears Table Saws

Sears and Craftsman, the Sears brand of tools, have been building tools for well over 50 years. Among the power tools they build are table saws. These saws are large and can saw everything from a thin piece of wood to a piece of large plywood. If you are trying to find out the year your table saw wa

How To: Gold Leaf Finish on Wood

Egyptian artisans developed the technique of gilding 4,000 years ago and ancient texts, including the Old Testament, make mention of the art. After Roman conquerors carried gold objects back to their benefactors, priests and royals throughout Europe began commissioning elaborate decorations for thei

How to Make Archival Prints of Watercolors

Watercolor paints and papers can be purchased in many different grades, ranging from student to professional. Professional grade paints and papers are made from quality pigments and materials, ensuring that your painted masterpieces will stand the test of time. Masterpieces created on student-qualit

How to Make 54-inch Table Runners

Make a beautiful table runners that are 54 inches long to enhance any table setting. Sew runners with decorative themes for weddings, holidays, birthdays and special events. Runners are about 12 inches wide and are laid down the center of a long table on which centerpieces are placed such as candles

How to Treat Wood With Preservatives

Wood preservatives protect both indoor and outdoor wood furnishings, decks, and roofs from rot, mildew, water damage, and infestations. They work by seeping into the wood pores and keeping moisture out of its heart. The chemicals they contain kill fungi and insects. In addition to increasing the lif

Information on Kunzite Gems

Kunzite is a semiprecious stone, a transparent or translucent variety of the mineral spodumene. Chemically, the mineral is a member of the pyroxene family, minerals that form in an igneous environment.

How to Estimate Postage to Send Pictures

Whether you're involved in a postal print exchange with a fellow photographer friend or just sending a few holiday pictures to relatives overseas, you'll need to estimate the price of postage before shipping your item or items. Shipping rates for padded portfolio envelopes tend to be inexpensive, bu

What Is the Effect of PH on Living Organisms?

Scientists measure the acidity of water by testing the pH level. The pH scale ranges from 0 to 14, with 7 being perfectly neutral. The low end of the scale represents high acidity, while the high end represents acid’s opposite, alkaline. While high levels of either acidity or alkalinity can de

How to Use a Small Telescope

Telescopes reveal details of the night sky invisible to the naked eye. They work by capturing light and focusing it into a magnifying eyepiece. Amateur telescopes come in a variety of sizes, ranging from smaller models with several inches of aperture to large telescopes with tubes that measure more

How to Test for Sulfuric Acid

Sulfuric acid, or H2SO4, is one of the strongest mineral acids -- but only if it is free of impurities. Sulfuric acid can be tested for various impurities, including sulphates of soda, potash, and even lead. Only proper testing can differentiate a pure portion of H2SO4 from its impure counterparts.

How to Make Cute Animals Out of Modeling Clay

Children are attracted to the bright neon colors and easy workability of modeling clay. Making funny animals occupies their attention and keeps children of all ages busy for hours. Adults can focus on making more realistic cute clay animals. Everybody is partial to certain animals, from panda bears

Does Bentonite Work Around Trees?

Bentonite is an expansive or "swelling soil," absorbent aluminium phyllosilicate, containing montmorillonite clay minerals that absorb water and expand. If water is taken away, the soil shrinks. A soil sample of pure montmorillonite, if supplied with adequate water, can increase up to 15 t

How to Calculate Gravitational Pull

A box that weighs 12 pounds on Earth only weighs about 2 pounds on the moon. The difference exists because the moon is considerably smaller and lighter than Earth.Even without visiting the moon, Sir Isaac Newton determined the relationship between the force of gravity and the

How to Bid for a Cow

Farmers often go to cattle auctions to increase their herd numbers, purchase high-quality show cattle or support the local cattle club. Bidding for a cow is a simple process, although the necessary research must occur first in order for the farmer to make a confident decision about which animals to

Definition of the Citric Acid Cycle

The citric acid cycle, also known as the tricarboxylic acid (TCA) cycle or the Krebs cycle, represents one part of the three- part aerobic cellular respiration pathway. In cellular respiration, a molecule of glucose enters the pathway and adenosine triphosphate (ATP) ultimately gets produced for use

How to Make Blown Glass

Blown glass is inflated by heating it to such high temperatures that its solid state begins to liquefy like lava. As a result, you have the opportunity to form the glass into the shape that you want, such as ornaments or bottles, before it cools down and hardens again. One of the ways to accomplish

Survival Knife Tricks

More than just a utensil for the kitchen, a knife can become essential for survival. Knives first made an appearance thousands of years ago in the arsenal of prehistoric man. The large force and pressure over a very small surface-to-space ratio makes the knife a superb cutting tool. The knife become

How to Build a Pinewood Derby Car

Pinewood derby cars were created in 1952. Cub master, dad and model-maker Don Murphy came up with idea to have a father-son activity for his 10-year-old. He wanted something similar to the Soapbox Derby, which required the child to be older. Murphy and several Scout committee members came up with t