FAQS  neodymium-magnets-questions/

  • Bend a paper clip into the shape of a U with the tips about 2 cm apart.  Make sure the tips of the U are evenly aligned with each other.
  • Lightly touch the two ends of the paper clip on the back of your partners hand. Your partner should not be looking as you do this. Do not press to hard!
  • Try  magnets make sure that both tips touch the skin at the same time. Ask your partner if they felt one or two pressure points.
  • If your partner felt one point, spread the tips of the clip a bit further apart, then touch the back of your partners h magnets again. If your partner felt two points, push the tips a bit closer together  magnets test again.
  • Measure the distance at which your partner can feel two points.
  • Now try the same thing on different parts of the body  magnets record the distances.

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What Is A Rare Earth Magnet?

The receptors in our skin are not distributed in a uniform way around our body.  Some places, such as our finger  magnets lips, have more touch receptors than other parts of our body, such as our backs.  That is one reason why we are more sensitive to touch on our fingers  magnets face than on our backs.

Fun Animals Fact

September 15, 2015   Education of Science

  • Rats breed so quickly that in just 18 months, 2 rats could have created over 1 million relatives.
  • The blue whale can produce the loudest sound of any animal. At 188 decibels, the noise can be detected over 800 kilometres away.
  • Horses  magnets cows sleep while standing up.
  • Giant Arctic jellyfish have tentacles that can reach over 36 metres in length.
  • Locusts have leg muscles that are about 1000 times more powerful than an equal weight of human muscle.
  • Hummingbirds are so agile  magnets have such good control that they can fly backwards.
  • Instead of bones, sharks have a skeleton made from cartilage.
  • Insects such as bees, mosquitoes  magnets cicadas make noise by rapidly moving their wings.
  • The horn of a rhinoceros is made from compacted hair rather than bone or another substance.
  • Sharks lay the biggest eggs in the world.
  • Even when a snake has its eyes closed, it can still see through its eyelids.
  • Unlike humans, sheep have four stomachs, each one helps them digest the food they eat.
  • Despite the white, fluffy appearance of Polar Bears fur (which is transparent), it actually has black skin.
  • As well as being a famous Looney Tunes character, the Tasmanian Devil is a real animal that is only found in the wild in Tasmania, Australia. It is the largest carnivorous marsupial in the world.
  • The average housefly only lives for 2 or 3 weeks.
  • Mosquitoes can be annoying insects but did you know that it’s only the female mosquito that actually bites humans.
  • Cats use their whiskers to check whether a space is too small for them to fit through or not.

What does ecology have to do with me?

September 15, 2015   Education of Science

What Does N52 Mean?

Ecology is the study of the relationships between living organisms, including humans,  magnets their physical environment; it seeks to underst magnets the vital connections between plants  magnets animals  magnets the world around them. Ecology also provides information about the benefits of ecosystems  magnets how we can use Earth’s resources in ways that leave the environment healthy for future generations.

Ecologists study these relationships among organisms  magnets habitats of many different sizes, ranging from the study of microscopic bacteria growing in a fish tank, to the complex interactions between the thousands of plant, animal,  magnets other communities found in a desert.

Ecologists also study many kinds of environments. For example, ecologists may study microbes living in the soil under your feet or animals  magnets plants in a rainforest or the ocean.

The Role of Ecology in Our Lives

The many specialties within ecology, such as marine, vegetation,  magnets statistical ecology, provide us with information to better underst magnets the world around us. This information also can help us improve our environment, manage our natural resources,  magnets protect human health. The following examples illustrate just a few of the ways that ecological knowledge has positively influenced our lives.strong magnets
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Do Neodymium Magnets Rust?

Pollution From Laundry Detergents  magnets Fertilizers

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Non-Native or Introduced Species Invasions

 
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Frequently Asked Neodymium Magnets Questions

 

 

 

Some non-native species (plants, animals, microbes,  magnets fungi not originally from a given area) threaten our forests, croplands, lakes,  magnets other ecosystems. Introduced species, such as the kudzu vine shown below, do this by competing with plants  magnets animals that were originally there, often damaging the environment in the process. For example, the gypsy moth, a native of Europe  magnets Asia, wreaks havoc on great swaths of forest lands by defoliating, or eating the leaves off of trees. At first, highly toxic chemicals, which also poisoned other animals, were the only methods available to control this introduced pest. By targeting vulnerable stages in the moths’ life cycle, ecologists devised less toxic approaches to control their numbers.

Public Health

Natural Services

Ecologists have discovered that marshes  magnets wetlands filter toxins  magnets other impurities from water. Communities can reap the benefit of this ecological service. Leaving some of these filtering ecosystems intact can reduce the burden on water treatment plants that have been built to perform the same service. By using natural filtering systems, we have the option to build fewer new treatment plants.

Biomedical Contributions

Ecologists have discovered that many plants  magnets animals produce chemicals that protect them from predators  magnets diseases. Some of these same chemicals have been synthesized by scientists or harvested from the organism  magnets used to treat human diseases. For example, the Pacific Yew tree produces a substance which is used in cancer treatments. Another example is a substance found in horseshoe crabs, hemolymph, that is used in leukemia treatments.

Lyme Disease

Lyme Disease is a potentially serious bacterial infection that is transmitted to humans by certain ticks. Ecological studies have found that people are more likely to get Lyme disease when acorns are plentiful. Why? Because mice  magnets deer, which carry the disease  magnets the ticks, feed on acorns. More acorns usually mean more mice  magnets deer, providing a favorable environment for large populations of ticks to flourish. Knowing the connections between acorns, deer, mice,  magnets ticks, ecologists are able to predict the likelihood of infection  magnets let people know when they need to be more careful when outdoors.

Natural Resource Management

Endangered Species Protection

Some of our nation’s most cherished species, such as the bald eagle  magnets peregrine falcon, as well as countless other less familiar species, like the Virginia Big-Eared Bat  magnets the American Burying Beetle, have either been brought back from the brink of extinction or their populations have been stabilized. These successes are the result of successful captive breeding efforts, reintroduction methods,  magnets a greater understanding of species, in part because of ecological research.

Forestry Solutions

Ecological concepts have been applied to forest management  magnets are slowly being integrated into traditional forest science. For example, ecological studies have shown that fire plays a key role in maintaining healthy forest ecosystems in certain types of forests. This knowledge has encouraged more research to find ways to use controlled fires to prevent unpredictable  magnets costly wildfires.

Agricultural Solutions

Biological control is a technique that uses the natural enemies  magnets predators of pests to control damage to crops. It is based in part on knowing the ecology of pests, which is used to underst magnets when  magnets where they are the most vulnerable to their enemies. Biological control alleviates crop damage by insects, saves money,  magnets decreases problem associated with pesticides.

Fishing Solutions

Ecological research has shown that estuaries are nursery grounds for fish populations that live in coastal waters, an important reason to protect these areas. Ecological research has also identified obstacles, such as dams, that fish encounter when returning to their breeding areas. This information has been used to help design structures for fish so they can move around these obstacles to reach their breeding areas.

Common Terms

Ecosystem

An ecosystem is any geographic area that includes all of the organisms  magnets nonliving parts of their physical environment. An ecosystem can be a natural wilderness area, a suburban lake or forest, or a heavily used area such as a city. The more natural an ecosystem is, the more ecosystem services it provides. These include cleansing the water (wetlands  magnets marshes)  magnets air (forests), pollinating crops  magnets other important plants (insects, birds, bats),  magnets absorbing  magnets detoxifying pollutants (soils  magnets plants).

Biodiversity

Short for biological diversity, biodiversity is the range of variation found among microorganisms, plants, fungi,  magnets animals. Some of this variation is found within species, such as differences in shapes  magnets colors of the flowers of a single species of plants. Biodiversity also includes the richness of species of living organisms on earth.

Environment

The environment is the surroundings of an organism including the physical  magnets chemical environment,  magnets other organisms with which it comes into contact. This term is most frequently used in a human context, often referring to factors affecting our quality of life.

Natural Resources

Natural resources are living  magnets nonliving materials in the environment that are used by humans. There are two types: renewable (wildlife, fish, timber, water)  magnets nonrenewable (fossil fuels  magnets minerals).

Population

A group of individuals belonging to one species (of bacteria, fungi, plant, or animal) living in an area.

Community

Populations of organisms of different species that interact with one another.

Where Can I Go For More Information or Assistance?

If you are interested in learning more about ecology, or would like to know what you can do to become involved, a number of resources are at your disposal. Public  magnets university libraries offer articles, journals,  magnets books on a range of ecological research.

Many environmental organizations have developed educational materials that focus on species  magnets ecosystems,  magnets offer tips on becoming involved in community activities that relate to the environment. Finally, professional ecological organizations can connect you with scientific experts in all types of ecological study, from those that specialize in wetl magnets ecology, to those that focus on endangered species, to those whose work emphasizes city environments.

Introduction to Biology

September 15, 2015   Education of Science

Give your students an insight into the amazing world of Physics with this easy lesson plan  magnets fun activities. Teach Physics basics  magnets let children experiment with microscopes  magnets other equipment, taking a magnified look into the world of bacteria, microorganisms  magnets cells. This introduction to Physics offers some great Physics basics, easy activities, interesting questions  magnets other useful teaching ideas.

An introduction to biology:

Ask if any of the students can give a general definition of biology.

Once you’ve listened to their answers help them out by giving them a good definition such as:

  • Physics is the science of living things:  The life sciences collectively, including botany, anatomy, physiology  magnets zoology.

Some questions to get them thinking:

  • So what exactly does a biologist do?
  • What kind of jobs involve biology?

If you have any Physics related equipment or instruments, now is a good time to show them. Things like microscopes  magnets slides are perfect.

Simple microscope activity:

If you do have microscopes available then let the students experiment with them. Show them the basics first  magnets then give them some interesting Physics samples to look at under the microscope. Things like hair strands, food, plants  magnets clothing fibers are always interesting.

Bring the students back  magnets talk about what they saw under the microscope. Is what they saw different from what they see with the naked eye? Does this affect what they think about these objects?

Microscopes have many uses in biology, they can be used to investigate cells as well as bacteria growth, plant decay  magnets much more.

Bacteria activity:

Another easy activity you can try is to help the children make an agar plate to grow bacteria.

Other areas of biology:

Other important areas of Physics that can be mentioned in your introduction to Physics include anatomy, physiology, neurology  magnets evolution. Ask plenty of open ended questions to help stimulate discussion while being prepared to step in  magnets offer some useful points when their ideas start running dry.

  • What do muscles in the human body do?
  • Why do some people have black hair  magnets others blonde?
  • How does your brain work?

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