Electricity 1
Materials that allow electricity to move through it easily
Conductor
Materials that do not allow electricity to move through them easily
Insulator
When an object gains electrons, it becomes___________.
Negatively charged.
The flow of electrons is called
Electric current
Besides a plug in, give an example of an energy source
Battery
Plastic, glass, and rubber are good examples of
Insulators
The same charges will
repel
Most of the objects that we see around us are electrically ________.
Neutral
Copper is an example of _______.
A conductor.
All matter is made up of?
Atoms
The two types of electric charges are:
Positive charge and Negative charge.
When electric current flows along a closed path it forms a ______.
Electric circuit.
What is OHMs law forumla?
V = I * R
Resistance = Current x Voltage
PLastic is an example of _______.
An insulator
Mr Hawkes favourite bird?
Kookaburra
What do we have inside the nucleus of an atom?
Protons and neutrons.
Atoms are made up of?
Electrons, protons and neutrons.
The nucleus of an atom is negatively charged.
True or False?
False.
What part of the atom moves around the nucleus.
Electrons
Objects with opposite charges ____.
Attract.
If you have two light bulbs in a series setup.
What will happen to the second light bulb if the first bulb is removed?
It will go out.
If you have two light bulbs in a parallel setup.
What will happen to the second light bulb if the first bulb is removed?
It will stay lit.
If you have two light bulbs in a series setup.
Will the bulbs be _____, when compared to having one bulb?
A)The same
B) Dimmer
C) Brighter
B) Dimmer.
If you have two light bulbs in a parallel setup.
Will the bulbs be _____, when compared to having one bulb?
A)The same
B) Dimmer
C) Brighter
A) The same
open and close.