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Vocabulary Mini Review Magnetism
A(n) ___________ can be made by coiling a wire around an iron nail and connecting it to current. Electromagnet
A _________ transformer is used to increase voltage. Step Up
A _________ transformer is used to decrease voltage. Step Down
__________ ________ is the process of creating an electric current by moving a magnet through a loop of wire. Electromagnetic Induction
The _________ ________ is the area surrounding a magnet that exerts a magnetic force. Magnetic Field
_________ ________ is current that travels in only one direction. Direct Current
_________ ________ is current that changes direction. Alternating Current
A ________ is used to increase and decrease voltage. Transformer
A ________ magnet retains its magnetic properties for long periods of time. Permanent
A ________ converts mechanical energy into electrical energy. Generator
An __________ ________ converts electrical energy into mechanical energy. Electric Motor
Household voltage in the U.S. is _____ volts. 120
What type of current is produced from a dry cell battery? Direct Current
What type of current is produced from power lines? Alternating Current
Where is the magnetic field the strongest? At the Poles
What happens when a North pole of one magnet is brought near the North pole of another magnet? They Repel
Changing the _______ of an electromagnet changes both the strength and direction of the current. Current
What do the electrons in a magnet look like? They are Aligned
What 3 metals can be made into magnets? Iron, Cobalt & Nickel
What causes the Earth’s magnetic field? Molten Iron & Nickel in the Core
Electromagnetism. Magnets Magnets are materials that produce a magnetic field. Magnets can only exert a force on some metals ( iron, cobalt and nickel)
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Magnetism Physical Science Chapter Magnets Pull iron (and some other metals) towards them. When small and allowed to rotate freely, always point.
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Test Review Magnetism & Electromagnetism. 1. What are the 3 metals that are ferromagnetic? iron, nickel, and cobalt 2. The reason a magnet can attract.
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Magnets. Section 1: Magnets Magnets and magnetism.
Magnetism & Electricity Production. What is magnetism? Force of attraction or repulsion due to electron arrangement Magnetic forces are the strongest.
How are these guys related to electricity?. Magnetism Unit Vocabulary 1. Magnet- Definition- Materials that attract iron or contain iron. Sentence- I.
Electromagnetism. Objectives SPI Recognize that electricity can be produced using a magnet and wire coil. SPI Describe the basic.
Ch 8 Magnetism and Its Uses: Section 1 Magnetism A. Magnetism—the properties and interactions of magnets 1. Interaction between two magnets called magnetic.
Ch 21-Magnetism Magnetism a property of matter in which there is a force of attraction or repulsion between like and unlike poles.
Electromagnetism: the interaction between electricity and magnetism – About all you can do with this is make a compass needle move.
Review Magnetism – Attractive and Repulsive How is the concept of magnetism and electricity different? 1. Magnetism is caused by the spinning of electrons.
Ch. 8 - Magnetism SPS10. Students will investigate the properties of electricity and magnetism. b. Explain the flow of electrons in terms of alternating.
Magnetism Magnets magnetism – force of attraction or repulsion not all objects are affected by the force of magnetism ex. wood, glass, paper, plastic.
T YPES OF MAGNETS Permanent Temporary Electromagnets.
Chapter 8 Magnetism & Its Uses. Sec 1: Magnetism ► Over 2000 years ago Greeks first discovered magnetism in a mineral they called magnetic. ► Magnetism—properties.
Electricity, Sound and Light Chapter Eight: Electricity and Magnetism 8.1 Electricity 8.2 Electrical Circuits and Electrical Power 8.3 Properties of.
Magnetism. The Greeks discovered a mineral that had a peculiar property It attracted metals, they found it in a place called Magnesia so they called it.
MAGNETISM AND ELECTROMAGNETISM. Magnetism = the phenomenon of physical attraction for iron observed in magnets, inseparably associated with moving electricity.
Magnetism(Review). What do we know about magnets? 2 Magnetically opposite poles: – North Pole and South Pole Like poles repel and Opposite poles attract.
Physical Science Mr. Barry. Properties of Magnets: Magnets have magnetic fields, which exert forces on other magnetic materials Magnets have a north.
Chapter 22 Magnetism and Its Uses. Magnetism Discovered over 2000 years ago by the Greeks. Named after Magnesia, Turkey. Magnetic Force –You can feel.
MAGNETISM. MAGNETIC FORCES Magnetic force = force a magnet exerts on another magnet, force weakens with square of distance (twice as far, ¼ as much) Magnetic.
Electricity and Magnetism CRCT review. just like gravity A force that depends on: Size (mass or charge of objects) Distance between the centers.
Unit 6 Magnetism Chapter 8 Pages Magnets Two magnets exert a force on each other The magnetic force is the interaction you feel before the two.
MAGNETISM AND ITS USES CHAPTER 8. SLIDE 1 The Greeks found a mineral, they called (lode stone), now called magnetite. It had natural magnetic properties.
Magnetism Chapter 36. What is a Magnet? Material or object that produces a magnetic field. Two types: Permanent Electromagnet.
Bottle Rocket Project - Materials Per group (no more than 3 people per group), you will need: – 2 plastic 2-liter bottles (empty and rinsed out) – 2 plastic.
WHOLE BRAIN. Electric doorbells found in many homes require 8 V to operate. A transformer is used to convert standard household 120 V to the 8 V required.
Unit 3 Electricity & Magnetism Magnetic Field, Currents & Plasmas Physics 5h Students know changing magnetic fields produce electric fields, thereby inducing.
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Notes. Electric Current The flow of charges through a wire or conductor is called an electric current. The flow of electrons Measure in amperes Flow from.
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MAGNETISM REVIEW ANSWERS UP!!. WHAT IS THE NAME OF THE MINERAL DISCOVERED BY THE GREEKS WITH MAGNETIC PROPERTIES?
Attraction and Repulsion Magnetism and Its Uses. Magnetism Discovered over 2000 years ago in Magnesia, TurkeyDiscovered over 2000 years ago in Magnesia,
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