Electricity 1
Atoms are made up of?
Electrons, protons and neutrons.
Materials that do not allow electricity to move through them easily
Insulator
When an object gains electrons, it becomes___________charged.
Negatively charged.
The flow of electrons is called
Electric Current
Give an example of an energy source
Battery
Materials that allow electricity to move through it easily
Conductor
When electric current flows along a closed path it forms an ______.
Electric circuit.
Most of the objects that we see around us are electrically ________.
Neutral
Copper is an example of _______.
A conductor.
A source, a wire , two devices ans a switch form a _____________.
series circuit
The two types of electric charges are:
Positive charge and Negative charge.
Objects that have the same number of positive and negative charges are
Electrically neutral.
It is safe/unsafe to pull on the cable not the plug.
unsafe
Objects with opposite charges ____.
Attract.
When an object loses electrons it becomes ______________.
Positively charged.
Plastic, glass, and rubber are good examples of
Insulators
A source, two devices, a swith and two wires form a _____________________
parallel circuit
The nucleus of an atom is negatively charged.
True or False?
False.
It is unsafe to put as many plugas as possible in an ........................... cable.
extension
A ___________ can be a motor, light bulb or another electrical appliance.
device
A .................................. opens and closes the electric circuit.
switch
Define an open circuit
Electrons cannot flow and the circuit is not working
When an object has an imbalance number of + and - charges it is said to have _______.
Static electricity.
The ___________________ of electric charges is called static electricity.
imbalance
A light or motor acts as a ........................... in an electric circuit.
device