Essays Tagged: "radioactivity"

Radioactivity and waste disposal

adiation. Atoms having this property are called radioactive. By far the greatest number of uses for radioactivity in Canada relate not to the fission, but to the decay of radioactive materials - radio ... gher rate of conductive heat loss to the surrounding rock. Concurrently the heat production rate of radioactivity diminishes because of decay. When the heat loss rate exceeds that of input, the molten ...

(7 pages) 115 0 3.5 Dec/1991

Subjects: Science Essays > Chemistry

Marie Curie

y. Marie and her husband Pierre, who was also a French physicist, are both famous for their work in radioactivity.Marie Curie, originally named Marja Sklodowska, was born in Warsaw, Poland on Nov.7, 1 ... with her husband and Henri Becquerel she won the Nobel Prize for physics for the joint discovery of radioactivity. Finally, the Curies financial aspect was relieved, and the following year Pierre was ...

(3 pages) 61 0 3.0 Jan/1995

Subjects: Science Essays > Chemistry

How Mobile Phones Can Affect Us?

use headaches, memory problems, ear and eye conditions and cancer. Also, biologist Roger Coghill, a radioactivity specialist who runs an independent laboratory, wants all mobiles to carry a cigarette- ...

(2 pages) 134 1 3.8 Oct/2003

Subjects: Science Essays > Technology

Mad Cow Disease - Past & Present.

building in Great Britain. During the ten days after the explosions took place there was a leak and radioactivity occurred. This meant when the weather conditions changed it the caused the radioactivi ... onditions changed it the caused the radioactivity to shift in every direction the wind blew. In the radioactivity there was a chemical called radionuclide, which shifted every time the wind blew. Radi ...

(2 pages) 55 0 5.0 Nov/2003

Subjects: Humanities Essays > Health & Medicine > Diseases

This is my biography of Marie Curie. Make sure you include her Nobel prizes, as I forgot them in my report.

, a French chemist, in 1894 and they were married in 1895. Beginning in 1896, the Curies worked on radioactivity. Before long, she discovered that thorium, a metallic element, emits radiation. Anot ...

(1 pages) 36 0 4.3 Jan/2004

Subjects: Science Essays > Physics


RadioactivityBy: lilticklemeelmo_23Radioactivity a.k.a. radioactive decay, is the steps taken in whi ... unt of neutrons.Bibliography1. Physical Science by Prentice Hall2. http://www.web.ask/top?q=what+is+radioactivity%.com3.

(1 pages) 37 0 3.7 Jan/2004

Subjects: Science Essays > Chemistry

Nuclear Power: Pros and Cons

did not exist until created by scientists.3. All radiation causes cancer.4. Human senses can detect radioactivity.5. Individuals vary widely in how they are affected by radiation exposure.6. Small amo ... t can blow up like a nuclear weapon.11. Some nuclear waste products must be stored for centuries so radioactivity cannot escape.12. New dangerous elements are being invented every day.13. Nuclear powe ...

(1 pages) 90 0 4.8 Feb/2004

Subjects: Science Essays > Chemistry

Nuclear Retort--A Classical Argument

Iodide pills, utilized to strengthen the body's immunity to radioactivity, may become a common item on one's shopping list if the nuclear power market continues ... be buried for years; yet even then it still posses a threat. A century or more must pass before all radioactivity has dissipated. A proper way to safely store nuclear waste has yet to be developed.Man ...

(2 pages) 26 0 4.3 Apr/2004

Subjects: Science Essays > Environmental Science

Chernobyl and Easter Island

radioactive material was released into the air after there were explosions at the power plant. The radioactivity that the people of Chernobyl were exposed to was "100 times greater than the Hiroshima ...

(3 pages) 38 0 3.0 Apr/2004

Subjects: Science Essays > Environmental Science

Marie Curie, biography and major achievements

Marie Curie was the first woman to win a Nobel Prize. She was renown for her work with radioactivity, the work that eventually ended her life. She was born Maria Sklodowska in Warsaw, Pol ... after, they were married in a civil ceremony. Marie and Pierre were devoted to the study of radioactivity, a term that Marie herself coined. They were among the first to work with radium and p ...

(1 pages) 41 0 4.0 May/2004

Subjects: Science Essays

What is radioactivity?

What is radioactivity?The atoms making up matter are generally stable, but some of them are spontaneously tr ... e of them are spontaneously transformed by emitting radiations which release energy. This is called radioactivity.Atoms: In nature, matter - whether water, gas, rocks, living beings - consists of mole ... protons as well as neutrons. It is this nucleus that is transformed when a radiation is emitted by radioactivity.Protons and neutrons are, in turn, composed of quarks.IsotopesAll atoms with nuclei ha ...

(1 pages) 40 2 4.3 Jun/2004

Subjects: Science Essays > Chemistry

Chemistry 10 Notes on Atomic Structure and Half Life.

that hold the nucleus together (+) charge of protons causes them to repel each other Radioactivity Element so big that it isn't stable Radioactive Decay Gives off p ...

(1 pages) 16 0 0.0 Sep/2004

Subjects: Science Essays > Chemistry

Chernobyl, this is about what happen to the chernbyl nuclear reactor

The immediate reaction of the workers was to fix the problem. They did not consider that the deadly radioactivity was now not enclosed within the safety of the unit. The fire departments of the power ... reactor to prevent the radioactive material from escaping. These men received high to low doses of radioactivity. Some received enough for the rest of their lives.On Monday, April 28, one thousand mi ...

(13 pages) 43 1 4.7 Sep/2004

Subjects: History Term Papers > Asian History

Harmful Effects of Television

for transmitting images and sounds to people. In fact, television can have negative effects due to radioactivity, falsehood and obsession.First of all, television releases radiation. A lot of people ...

(2 pages) 46 1 1.0 Nov/2004

Subjects: Social Science Essays > Communication Studies > The Media

Marie Curie

Maria Curie was born November 7, 1867 in Warsaw, Poland. She's famous for her extensive research on radioactivity, and for being the first woman to win a Nobel Prize. Her work has effect the world in ... that the rays were the result of something happening within the atom itself, a property she called radioactivity. Tests she performed on the minerals chalcocite, uranite, and pitchblende revealed hig ...

(6 pages) 34 1 4.7 Nov/2004

Subjects: Science Essays > Chemistry

Radioactive Waste

include reducing the material or recovering a resource from it. Safety reasons include reducing the radioactivity by smothering it or making it a more solid form. After the items are processed they mu ... materials are being stored, the form of the material, the amount of time it's being stored, and the radioactivity levels, may vary. If the radioactive chemicals are being stored to decay, they will be ...

(4 pages) 42 0 4.0 Dec/2004

Subjects: Science Essays > Chemistry

Marie Curie the Hero

her class. She was the first women to win two Nobel Prizes: the first in 1903 for helping discover radioactivity and the second in 1911 for finding the elements polonium and radium. She not only had ...

(1 pages) 22 0 0.0 Jan/2005

Subjects: Science Essays

Study notes for the main scientists that participated in the early discovery of DNA and the early studies about DNA

-Protein of the phage didn't enter the bacteria -Bacteria infected with tagged DNA contained radioactivity -Showed that DNA of the virus is injected into host cell and cause the ...

(2 pages) 52 2 3.8 Feb/2005

Subjects: Science Essays > Biology

Accomplished Life of Marie Curie

cience forever with the help of her husband Pierre Curie and other fellow scientists. Her work with radioactivity has also helped with technology today, such as x-rays and methods to help with the tre ... Sklodowska Curie was a legend in the science world as the woman who helped discover the science of radioactivity. Born to Bronislwa and Vladislav Sklodowski in Warsaw, Poland on November 7, 1867, Mar ...

(7 pages) 38 0 3.0 Jul/2005

Subjects: Science Essays

Nuclear Power.

oblem of acid rain.Although nuclear energy is greenhouse friendly, it does cause a lot of problems. Radioactivity is one the most important issue that has brought by using nuclear energy. In the atomi ... e isotopes lose or gain neutrons and protons to gain stability, the loss of particles and energy is radioactivity.Radioactive decay occurs when an unstable isotope breaks down into another same or dif ...

(2 pages) 37 0 3.4 Dec/2005

Subjects: Science Essays > Physics