Vocabulary
the ends of a magnetic object
magnetic pole
How can a neutral object become negatively charged?
Gaining electrons
What is the right hand rule?
It shows the direction of the current
What part of the fan uses mechanical energy?
The blades
What is the equation to find force?
Net force = mass x acceleration
the tendency of an object to resist a change in motion
inertia
Where is the electric field strongest at?
Closest to the particle
What did Orsted discover about electricity and magnetism?
He discovered when a compass needle was near a wire, the needle turned.
In the right hand rule #2, what does the pointer finger represent?
The moving charge
Gravitational Potential Energy
a coil of wire with a current
solenoid
How do magnetic field lines run?
Out the north, in the south
What caused the plant to float above the table?
Repulsion
What is used to read small amounts of electric current?
A galvanometer
What is the difference between weight and mass?
Mass - the amount of matter in something
Weight - a measure of force of gravity on an object
a device that transforms mechanical energy into electrical energy
generator
Where do I have greater electrical potential energy?
The farther apart the particles are.
How does the amount of loops in a wire affect the strength of the magnetic field?
The more loops, the stronger the field.
What is electromagnetic induction?
Mechanical energy is transformed into electrical energy
What is it called when an object resists change in motion?
Inertia
the relationship between electricity and magnetism
electromagnetism
How can I tell what the pole is if I have two bar magnets but only one of them is labeled?
I can see which end attracts and I will know that it is the opposite end of the one labeled.
If it has an iron core. Ex. Nail
What is used to change the voltage?
A transformer
What keeps the planets in orbit?
The gravitational pull of the sun and the weight of the planets.