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Electromagnetism
Electromagnetism

... a copper pipe falls slowly due to secondary magnetic field induced by its motion. ...
microbiology - WordPress.com
microbiology - WordPress.com

... a bacillus which we now know as Bacillus anthracis. •These results led Koch to formalise the criteria necessary to prove a causal relationship between a specific disease condition and a particular microorganism. These criteria became known as Koch’s postulates, and are ...
MAGNETS!! Properties of Magnets: A is any material that attracts
MAGNETS!! Properties of Magnets: A is any material that attracts

microorganisms
microorganisms

... – Carry out unique biochemical reactions • Methanogens – produce methane gas • Halophiles – require very high salt concentrations • Hyperthermophiles – grow in hot acidic environments ...
Magnetic stripes - Earth Learning Idea
Magnetic stripes - Earth Learning Idea

... direction to the first set. (This simulates when the Earth’s magnetic field was ‘reversed’ – with the Earth’s north magnetic pole being where the south pole is today, and vice versa). Magnetise these, again using the North end of the bar magnet, and stroking towards the points of the pins. • Continu ...
Continental_DriftAMT
Continental_DriftAMT

... Paleomagnetism Earth’s Polarity  In the 1960’s paleomagnetism –the study of the magnetic properties of rock would give the final evidence of continental drift  Paleomagnetism-study of the alignment of magnetic minerals in rock as it is formed.  As rocks form the iron-rich minerals within them wi ...
PPT | 363 KB
PPT | 363 KB

... light to create "synthetic magnetism," an exotic condition in which neutral atoms suddenly begin to behave as if they were charged particles interacting with a magnetic field -- even though no such field is present and the atoms have no charge. The achievement provides unprecedented insights into fu ...
Evidence Sheet 2 Locations of past glaciers
Evidence Sheet 2 Locations of past glaciers

... Over geologically long times, the Earth’s magnetic field has experienced magnetic reversals many times. This means that the shape of the magnetic field is still a dipole, but the north and south magnetic directions are switched. The most recent magnetic reversal happened 780,000 years ago. In the an ...
unit62ppt - Macmillan Academy
unit62ppt - Macmillan Academy

... Moving the magnet faster increases the current. ...
Soil bacteria - NSW Department of Primary Industries
Soil bacteria - NSW Department of Primary Industries

... Aerobic bacteria are those that need oxygen, so where soil is well drained aerobes tend to dominate. Anaerobes are bacteria that do not need oxygen and may find it toxic. This group includes very ancient types of bacteria that live inside soil aggregates. Anaerobic bacteria favour wet, poorly draine ...
Detection of Magnetic Field Concentrated Analytes in a Lateral Flow Capillary
Detection of Magnetic Field Concentrated Analytes in a Lateral Flow Capillary

... Summary: A lateral flow capillary devise to detect target analytes that are concentrated by a magnetic field Description: This invention is of a method to detect targeted analytes. The method most often used now is Lateral Flow Chromatography (LFC), which has many drawbacks including, the need for e ...
magnetic field - s3.amazonaws.com
magnetic field - s3.amazonaws.com

... remain even if the magnet is broken ...
Biot-Savart Law
Biot-Savart Law

Department of Natural Sciences
Department of Natural Sciences

File
File

... Magnets can be made from iron, cobalt, or nickel if you can simply line up the domains.  An iron nail can be magnetized if you rub it in one direction with one pole of a magnet.  Electric current can also be applied to metal causing it to become ...
New Title
New Title

... 15. Before electric current in power lines can be safe for your home, it must pass through a a. turbine. b. step-down transformer. c. step-up transformer d. generator. ...
Earth as a Magnet
Earth as a Magnet

... • Earth’s magnetic field can attract the domains to line up in one direction. • This means that Earth’s magnetic field has turned it into a magnet. • If the desk you are sitting at is metal or if the filing cabinets around the room are made of ferromagnetic material they are already trying to become ...
chapter 18 notes for eighth grade physical science
chapter 18 notes for eighth grade physical science

... CHAPTER 18 NOTES FOR EIGHTH GRADE PHYSICAL SCIENCE ANY MATERIAL THAT ATTRACTS IRON OR MATERIALS CONTAINING IRON IS CALLED A MAGNET. ALL MAGNETS HAVE TWO POLES, EXERT FORCES, AND ARE SURROUNDED BY A MAGNETIC FIELD. THE MAGNETIC EFFECTS ARE STRONGEST NEAR THE ENDS OF THE BAR MAGNET. THE PARTS OF A MAG ...
Electron Spin Resonance (ESR) Spectroscopy (Electron
Electron Spin Resonance (ESR) Spectroscopy (Electron

... g-values are determined by careful measurement of the frequency and magnetic field, or more commonly by using a reference of known g-value. A very common reference is the stable free radical diphenylpicrylhydrazyl (C6H5)2NN(&){C6H2(NO2)3} for which g = 2.0036 In liquid samples the average (isotropic ...
Physics 100 Name: Electricity Notes, Part IV: Odds, Ends, and Lenz
Physics 100 Name: Electricity Notes, Part IV: Odds, Ends, and Lenz

... created by the bar magnet. b. Tell whether or not the magnetic field passing through the coil is strengthening or weakening c. Use one arrow and a “B” to show the new magnetic field that is created by the coil. d. Show the direction of the current that is induced in the coil. ...
8. Prokaryotic diversity II
8. Prokaryotic diversity II

Magma Supply Vs Magma Plumbing
Magma Supply Vs Magma Plumbing

... remnant magnetism of rock samples. If one can be sure that the rock has not been rotated by tectonic processes then: •The Declination of the remnant magnetism gives the apparent direction of the North Pole at the time the rock formed. •The Inclination gives the latitude of the rock when it formed ...
Magma Supply Vs Magma Plumbing
Magma Supply Vs Magma Plumbing

... remnant magnetism of rock samples. If one can be sure that the rock has not been rotated by tectonic processes then: •The Declination of the remnant magnetism gives the apparent direction of the North Pole at the time the rock formed. •The Inclination gives the latitude of the rock when it formed ...
Chapter 4 Supplement
Chapter 4 Supplement

... air.…How wonderful this is! For we have always believed there is no living being that can live without the advantages air offers it.” It was Louis Pasteur who actually introduced the terms “aerobe” and “anaerobe.” In an 1861 paper, he wrote “these infusorial animals are able to live and multiply ind ...
Electric and Magnetic Forces Study Guide for Test 2014
Electric and Magnetic Forces Study Guide for Test 2014

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Magnetotactic bacteria

Magnetotactic bacteria (or MTB) are a polyphyletic group of bacteria discovered by Richard P. Blakemore in 1975, that orient along the magnetic field lines of Earth's magnetic field. To perform this task, these bacteria have organelles called magnetosomes that contain magnetic crystals. The biological phenomenon of microorganisms tending to move in response to the environment's magnetic characteristics is known as magnetotaxis (although this term is misleading in that every other application of the term taxis involves a stimulus-response mechanism). In contrast to the magnetoception of animals, the bacteria contain fixed magnets that force the bacteria into alignment — even dead cells align, just like a compass needle. The alignment is believed to aid these organisms in reaching regions of optimal oxygen concentration.
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