| A | B |
|---|
| Any material that attracts iron and materials that contain iron | a magnet |
| All matter is made up of | Atoms |
| The attractio or repulsion of magnetic materials is | Magnetism |
| Why can Earth itself make magnets out of ferromagnetic materials? | Earth produces a strong magnetic field |
| The smallest particle of an element | atom |
| The region of Earth's magnetic field shaped by the solar wind is called the | magnetosphere |
| Type of magnetic rocks are known as | Lodestones |
| what occurs in Earth's core that is related to Earth's magnetism? | Is too hot for things to be solid |
| When particles get close to the surface, they interact with atoms in the | Atmosphere |
| One of about 100 basic substance that make up all matter is | An element |
| Magnets attract iron and | materials that contain iron |
| A magnet is a material that shows strong | magnetic properties |
| A particle that carries a positive charge is a | Proton |
| Every atom has a | center and outer region |
| magnets attract or repel | other magnets |
| A particle that does not carry an eletric charge | A Neutron |
| The center region of an atom is called | A nucleus |
| A magnet made from a material that keeps it's magnetism for a long time is called | A permanent magnet |
| The magnetic record in the rock on the ocean floor depends on | when the rock was formed |
| The needle of the compass usually points | North |
| One part of a magnet will always point north when | allowed to swing freely |
| The magnetic poles are NOT located at the | geographic poles |
| What can be Made, Destroyed, or Broken apart | magnets |
| A grouping of atoms that have their magnetic fields aligned is known as | A magnetic domain |
| The particles follow the lines of Earth's magnetic field to the | magnetic poles |
| Any magnet, no matter what it's shape, has two ends, each one called | A magnetic pole |
| Why do some atoms has strong magnetic properties? | they have strong poles |
| The attraction or repulsion between magnetic poles is the? | magnetic force |
| A compass is used for | navigation-direction |
| Earth's _________ _______ has reversed direction every million years or so. | magnetic field |
| Magnetic poles that are _______ attract each other | unlike |
| Today, the most commonly used magnets are made from a material called? | ferite |
| The angle between geographic north and the north to which a compass needle points is known as? | magnetic declination |
| The two kinds of particles found inside the nucleus are | protons and neutrons |
| What do the Van Allen belts contain? | electrons and protons traveling at high speed |
| A group of atoms that have their magnetic fields lined up in the same direction is called | A magnetic domain |
| Most materials have weak magnetic __________ . | properties |
| A material that shows strong magnetic properties is a _______________ material. | ferromagnetic |
| What are the two ways to make a magnet from an unmagnetized ferromagnetic material? | placing an unmagnetized ferromagnetic material in a strong magnetic field OR by rubbing the material with one pole of a magnet. |
| The magnetic declination of a location ________ __________ . | never changes |
| Magnetic poles that are _________ repel each other | alike |
| An elcectron is a particle that carries a | Positive charge |
| A magnet made from material that easily losses it's magnetism is called a ? | temporary magnetic |
| A stream of electrically charged particles flowing at high speeds from the sun is called? | solar winds |
| A spinning electron produces a magnetic field that makes the electron? | behave like a tiny magnet in an atom |
| What happens to a magnet's magnetic properties when you break it into four pieces | All pieces will have a north and south pole |
| In a Magnetized material, all or most of the magnetic domains are arranged ? | in the Same direction |
| A material that is NOT magnetized, the magnetic domains point ? | in Random directions |
| The poles of a magnetized needle on a compass align themselves with Earth's ________ _______ . | magnetic field |
| A glowing region in the the atmosphere is the: | Aurora |
| Between 1,000 and 25,000 kilometers above Earth's surface are two doughnut-shaped regions called the | Van Allen belts |
| Where is the magnetic force of a magnet the strongest? | At the end of each pole |
| In the Northern Hemisphere, an aurora is called: | The Northern lights or aurora Borealis |
| In the Southern Hemisphere an aurora is called : | The Southern lights or aurora Australis |
| A proton is a particle that carries a | Negative charge |
| How are magnetic poles are labeled ? | North pole or South pole |
| Just like a bar magnet, Earth has a magnetic field surrounding it and ____ _______ ______ . | two magnetic poles |
| List four common ferromagntic materials found in nature. | Colbt, Iron, Nickle, Gadolinium (CING) |
| If a magnet is cut in half, why do the shorter pieces still have strong ends made up of many north or south poles? | because it is still a magnet. |
| Adevice that has a magnetized needle that can spin freely is caled? | a compass |
| A spinning eletron produces a magnetic field that makes the electron ? | Behave like a tiny magnet in an atom |
| When the magnetic fields of two or more magnets ovrlap, what is the results? | A combined magnetic field |
| What might happen if you drop a permanent magnet or stirke it hard ? | it's domians can be knocked out of alignment and it can become unmagnetized |
| A ________ is a push or a pull that causes an object to move | force |
| The area of magnetic force around a magnetic is the | magnetic field |
| Invisible lines that map out the magnetic field around a magnetic | Magnetic field lines |
| What is the diference between protons and electrons? | Protons carry Positive charges and Electrons carry Negative charges |
| Earth's magnetic field affects the _______ __ ________ _______ _______in space | movements of electrically charged particles |
| Magnetic field lines spread out from one pole,_____ ______ ___ _____, and return to the other pole | curve around the magnetic |
| What is the mineral found in rocks that are magnetic? | magnetite |
| What do the magnetic properties of a material depend on? | Iron |
| The entire ______ _____ acts like a bar magnet with a north and a south pole | magnetic domain |
| Since Earth produces a strong magnetic field, Earth itself can make magnets out of? | Ferromagnetic materials |
| A glowing region in Earth's atmosphere caused by charged particles from the sun called a ? | Aurora |
