ELECTRICITY, MAGNETISM AND ELECTROMAGNETISM
The following activities target
a middle school population although activities are approachable by more advanced
elementary school students. The activities are also ideal for high school students
to review basic concepts.
All exercises make use
ELECTRIC CHARGE What do atoms have to do with electric charge? What are forces involved with charge? What is an electric field? What is an electroscope?
COULOMBS LAW AND INVERSE SQUARE LAW
What is Coulombs Law and why is it related to the inverse square law?
is static electricity? How can you produce static electricity? What causes lightning?
THE FLOW OF ELECTRICITY What makes an electric charge move? What is electric potential difference? How do batteries work? What is a thermocouple?
What is an electric current? What is ohm's Law? What is the difference between direct current and alternating current. How is an electric current measured
What are the parts of an electric circuit? Series and Parallel Circuits. Fuses and Circuit Breakers.
Equations for electric power and energy. Electric Energy.
THE NATURE OF MAGNETS
Magnetic Poles, Magnetic fields, Magnetic Material, What is Magnetism, magnetic domains..
EARTH AS A MAGNET Why do compasses work? Other sources of magnetism in the solar system.
MAGNETISM IN ACTION
Solar Winds, magnetosphere,
MAGNETISM FROM ELECTRICITY
Oersted's discovery, electromagnets, solenoids, magnetic forces on electric current, applications of electromagnetism, how does an electric motor work, what is a galvanometer
ELECTRICITY FROM MAGNETISM
Electromagnetic induction, generators, transformers,
How do transformers work, step-up transformers, step-down transformers
HOW DOES AN ELECTRIC MOTOR WORK
How does an electric motor work. How to build an electric motor for a science project.
OHMS LAW LAB What is the relationship between current, voltage when there is a constant resistance in an electric circuit?
MAGNETIC FORCES LAB
What is the relationship between current, voltage when there is a constant resistance in an electric circuit?
WHY METALS CONDUCT ELECTRICITY
Why do metals conduct heat and electricity?
HOW DOES A BATTERY WORK?
How does a battery work? How to build a lemon battery--