vocabulary
Don't Get Zapped
circuits
atoms
grab bag
100
What has mass and volume?
matter
100
When doctors are shocking a patient's heart what do they say?
"Clear!"
100
What kind of charges attract?
opposite charges
100
What are the three parts that make up an atom?
electrons, protons, neutrons
100
If I cut an element in half it will still be an element. Why?
because the two halves will still have the same properties
200
What is a material that cannot be broken down into simpler parts?
an element
200
What is the name of the device that "shocks" every cell in the heart at the same time so they all start up again in rhythm?
a defibrillator
200
What do particles with like charges do?
they repel each other
200
The protons and neutrons are located where in the atom?
in the nuecleus (in the center)
200
What do we call the build up of charged particles?
static electricity
300
What is the smallest unit of an element that keeps the properties of that element?
an atom
300
What do electric eels use their electric charge for?
for defense or to stun or kill their prey
300
What is a circuit?
it's when electric current passes through an unbroken path of conductors
300
What type of charge does a proton have? a neutron? an electron?
proton = positive, electron = negative, neutron = neutral (no charge)
300
What does a switch do?
it can open or close the path electrons take
400
What is electricity?
the movement of electrons
400
What do scientists want to know more about with the electric eels?
They want to know why the electric eels aren't affected by the shock they emit.
400
How is a parallel circuit different from a series circuit?
a parallel circuit has more than one path for the electrons to flow through - a series circuit has only one path
400
Atoms usually have no charge. Why?
the number of electrons and protons are equal
400
What do we call an object in a circuit that resists the flow of electrons? Give an example of one.
a resistor - a light bulb, a speaker, a motor
500
What is an electric current?
a flow of electricity through a conductor
500
What famous person, on our $100 bill, experimented with electricity long before people knew of its dangers?
Benjamin Franklin
500
How to electrons flow when wires and a light bulb are attached to a battery?
they flow from the negative end (-) to the positive end (+)
500
How much smaller is an electron than a proton or neutron?
1,800 times smaller
500
What do we cal a path with little or no resistance that connects the two ends of an electrical source?
a short circuit
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