Safety
Always unplug an appliance before working on it.
True or False
True
All things are made of small particles called ______.
atoms
Static electricity is caused by friction.
True or False
Tru
A circuit is a ______ that __________ flows through.
loop, electricity
A ________ circuit has many loops.
parallel
What kind of circuit is a simple circuit with all power sources connected in a single line and has a single pathway?
series circuit
Always make sure your hands are dry when using electronics or you could get a __________.
Shock
Name the 3 parts of an atom.
Electrons, protons, neutrons
Electrons move when objects are __________ together.
rubbed
Name the 4 things a circuit needs to work.
conductive material, power source, load, unbroken loop
It is called a parallel circuit because parts of the circuit can continue when other parts _______.
stop
Adding components to a circuit will affect the _____ of the circuit.
load
Never put anything in an electric outlet or electric appliance.
True or Fasle
True
Which part of the atom has a negative charge and moves around the outside of atoms?
Electrons
Anything that needs to be plugged in, or uses a battery, uses ______________.
Conductive materials like wires, allows electricity to ______ easily.
flow
What kind of circuit is a complete circuit with a connected power source and a load?
closed circuit
Add more power sources will make the load stronger. More batteries make lights ____________.
Adding more loads will make the loads weaker. More lights will make the lights _____________.
Adding more conductive material will weaken the loads slightly. More wires will make the bulbs slightly _______.
brighter
dimmer
dimmer
Flying a kite near power lines is a good idea.
True or False
False
What is electricity?
The flow of electrons from one atom to another.
When objects rub together this causes some atoms to get extra electrons while others lose their electrons. This is called ____________ _____________
static electricity
A power source in circuit _________ electrical energy.
creates/makes
What is the circuit called when the flow of electricity is interrupted?
open circuit
A _____________ is a material that allows electricity to easily flow through it. Give an example.
conductor
copper, gold, steel
When unplugging an electric cord, always grab it by the ________.
Plug
What is static electricity?
The buildup of a negative electric charge on the surface of an object.
_________ electricity happens when an energy source send electrons through a conductive material like metal wires.
A load in an electrical circuit _____ the electrical energy.
uses
Explain a short circuit. Give 2 things.
They can be dangerous because electrons take the easiest path meaning they will flow quickly which can cause a fire.
A ____________ is a material that limits the flow of electrons through a circuit. When electrons are slowed they can create heat or ________. Give an example.
An ___________ stops the flow of electricity. They are important for the _____________ of electricity. Give an example.
resistor, light- lightbulb, motor, toaster coils
insulator, safe use (safety)- plastic, rubber