Science

Refine Search

What information is on a hunting moon phase chart?

The sun and moon cycles may influence animal behavior, and understanding lunar phases may help predict animal activity and increase success at hunting. Animals are well in tune with their natural surroundings, and certain shifts in environmental forces such as the sun and moon trigger corresponding behavior changes in the animals.\nMany fisherman chart their prime fishing times based on lunar cycles. Hunters can use this information to better anticipate their prey's actions. Many hunters believe that lunar cycles are the only dependable way to accurately predict deer activity. Some animal..

Continue Reading

What is the gas-to-liquid process called?

The point at which a substance changes from a gas to a liquid is called the vaporization point. It is the same as the boiling point, which is the temperature at which a liquid changes into a gas during a process called boiling or evaporation. When a gas changes directly into a solid without undergoing vaporization, the process is called deposition. The opposite of deposition is called sublimation, when a solid turns directly into a gas.

Continue Reading

What are the three parts of the cell theory?

The first proposition, that the cell is the most basic component of living things, can be observed directly. Single-celled organisms are well known and may comprise the bulk of Earth's living biomass. Any unit, such as a tissue, that can be broken down still further cannot be regarded as basic. Units more simple than a cell, however, cannot truly be said to be alive. A cell's organelles, for example, function only in the context of their cellular environment.\nFrom this it follows that all life must be made up of cells. Cells build tissues, tissues make organs, organs are organized i..

Continue Reading

What will happen to the world if we don't recycle?

Humans consume natural resources at an alarming rate, and the Earth takes decades or even centuries to reproduce them, so the balance is already largely offset. Space designated for landfills are also finite, so when recyclable materials are thrown away, it adds to the amount of trash piling up; this will in turn create even more landfills and encroach on the space that we live in and the habitat of other species.\nMany recyclable materials that are either thrown into landfills or other environments harm the Earth; plastic for example breaks down into smaller fragments over time, those fragmen..

Continue Reading

What animals don't have a backbone?

These animals are called invertebrates. Most animals are invertebrates. They are found in all kinds of habitats but are most abundant in the oceans.\nMost invertebrates not only lack a backbone, but they lack bones of any kind. Insects, spiders and crustaceans have exoskeletons. Many of them must shed these exoskeletons from time to time to allow their bodies to grow. A sponge has a system of calcium carbonate spicules that give its body its shape.\nTunicates are unusual animals in that they have a larval stage where they have a notochord, a structure that resembles a backbone. However, they l..

Continue Reading

What causes hail?

In the right weather conditions, the ability of hailstones to rise and fall in columns of air, growing as they do, can be very dangerous. Hailstones can reach up to six inches in diameter and nearly two pounds in weight in extreme conditions, and can fall at up to 90 miles per hour. Crops, buildings and cars all suffer heavy damage from large hail. Occasionally animals such as livestock are killed by large hail. In addition to these dangers, hail is often a precursor to other severe weather conditions such as tornadoes.\nHail is generally a brief phenomenon, lasting only a few minutes, but the..

Continue Reading

Can tsunamis be prevented?

The National Oceanic and Atmospheric Administration and other similar agencies work diligently to establish effective warning systems and educational programs designed to alert people to the impending occurrence of tsunamis far enough in advance that communities are given adequate time to evacuate danger zones. One example is NOAA's Tsunami Warning System, which monitors the Pacific Basin for potential tsunami activity. Between its two centers in Alaska and Hawaii, NOAA is able to serve the areas of Alaska, British Columbia, Washington, Oregon, California, Hawaii and surrounding internati..

Continue Reading

Why does water boil at 100 degrees?

Two forces hold liquids together: the pressure from outside and the forces of attraction from outside. The molecules of a liquid are constantly in motion, and some are always escaping from it into a gaseous state. At boiling temperatures, all of the molecules are trying to escape the liquid; each one that does uses some of the heat energy, so it takes time for a liquid to boil completely.

Continue Reading

How does someone trap a fisher cat?

Fisher cats are one of the strongest predators in North America and live for up to 10 years. Because of the animal's thick, soft fur, many trappers like to catch the creature. The cats are smart, but there are several different ways that trappers can catch them.\n\nCage traps allow an option for catch and release, but can be bulky. They do require; however, as a plus can be used in several different climate conditions. Bodygrip traps require the right setup in order to work properly so that the trap snaps the animal's neck on impact. These traps are not good in all areas and do requi..

Continue Reading

What is the hottest planet in the solar system?

Because Mercury is the closest planet to the sun, many people assume that it is the hottest, but it is significantly cooler than Venus because of its comparatively thin atmosphere. Venus is about 30 million miles further from the sun than Mercury, but its gaseous atmosphere is so incredibly thick that it stays much warmer than the rocky Mercury. This atmosphere harbors powerful and swift winds that sweep around the whole planet in a matter of four days, keeping temperatures on Venus stable as it rotates relatively slowly on its axis.

Continue Reading
Showing 2171 to 2180 of 10000 (1000 Pages)