Electricity & magnetism presentation
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Transcript of Electricity & magnetism presentation
Electricity and magnetismBy Kamela Jackson
It is a force of attraction to another magnet or metals. Workers sometimes use a big magnet to lift heavy things.Magnets have a magnetic field.
What is Magnetism?
Magnets work by having a north and south pole. The north and south want to stick to each other.
North and north don’t want to stick so then they repel.
How Do Magnets Work?
The earth has a magnetic field to protect us from the sun’s hot,hot,hot wind. If we did not have the magnetic field we would be dead.
Magnetic Field
One type of electricity is Static electricity. It is the same feeling when you drag your feet across the carpet and when you touch something metal then you feel a quick sting.
What is Electricity?
static electricity
The other is current electricity is a flow of electric charge.
What is electricity?
Electricity works because there are atomand sometimes the electron gets knocked out then it gets knocked out again and it get knocked out to another one then it makes electricity.
How Does Electricity Work?
It is a natural electric discharge and very high voltage from the sky to the ground .Then you see a bright flash.
Lightning
Electricity can make magnets and magnets can make electricity. A maglev train runs by magnets and the lights run by electricity.
How are Electricity And Magnetism Connected ?
Light bulb White board Tvcomputercreditcard
What Are Some Practical Uses of Electricity and Magnetism
Direct current means instead of going back and forth it just goes straight
Direct current (dc)
Direct current
I know that two magnet have a north and south they are like electrons and protons and they stick.
Attract
A compass has a needle. I know that the compass always points north. Sailors use a compass so the don’t get lost.
Compass
direct current
en.wikipedia.org www.swe.org www.greatamericanthings.net lifestyledenver.com benclamax.gnbo.com.ng www.layoutsparks.com
occasionallyarchitectural.com Electricityworksby,whentheresastormthecoldwatergoesupandthehotgoesdown.Theli
http://us.123rf.com/400wm/400/400/argus456/argus4560902/argus456090200370/4385942-lightning-or-electricity-on-a-dark-background.jpg
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http://assets.inhabitat.com/wp- s/static.jpg http://us.123rf.com/400wm/400/400/argus456/argus4560902/argus456090200370/4385942-lightning-or-electricity-on-a-dark-background.jpg http://upload.wikimedia.org/wikipedia/commons/8/8b/Nelson_River_Bipoles_1_and_2_Terminus_at_Rosser.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Compass_Rose_English_North.svg/237px-Compass_Ro http://ironhillbrewery.com/blog/mapleshade/files/2009/06/finkelstein.jpg cosmicconvergence.org
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