Electricity
Metals such as copper, and iron allow electricity to easily flow through them and are called _________.
Conductors
Opposite poles do this
attract
______________ is the measure of the force of gravity acting on an object
weight
When objects are rubbed together, electrons can be wiped from one object to another
Friction
This type of circuit contains one loop or path for the current to follow. If the loop is open no charges will flow.
series circuit
Materials such as plastic or rubber that do not allow electricity to easily flow through them are called ___________.
insulators
Like poles do this
repel
As the distance between 2 objects increases the gravitational force between them _____________
decreases
when objects touch they can transfer electrons in this process called
conduction
The size of the current depends on the size of the
Voltage
On Monday we watched Bill Nye demonstrate this concept that means the buildup of electric charges on an object
Static Electricity
When a magnet is electrified it is called an _____________
electromagnet
True or False: The gravitational force of the moon is stronger than that of Earth.
false
when charges in a neutral object are rearranged without direct contact it is called
induction
This type of circuit contains more than one path for the current to follow. If the loop is open charges will continue to flow.
parallel circuit
When electricity flows in one direction, as in a battery powered toy, it is a _______________ current
Direct
The Earths geographic North pole corresponds with the magnetic ___________ pole
South
What tool can be used to measure mass?
triple beam balance or gram scale
If you are outside during a thunderstorm, you do not want to have an umbrella made out of this material
metal or conductor
This uses electromagnetic induction to change mechanical energy into electrical energy
generator
When electricity flows in more than one direction, as in an electric plug, it is an _______________ current
alternating
Which negatively charged particle within an atom is responsible for magnetism?
Electrons
Which celestial body in our Milky Way galaxy has the greatest gravitational force?
The sun
Within an atom there are 3 particles with varying charges. Name them and their corresponding charge
proton-positive
neutron-no charge
electron-negative
A coil of wire that produces a magnetic field when carrying an electric current (used to create an electromagnet)
solenoid