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WorksheetsElectricity Quiz Review
Total questions: 45
Worksheet time: 23mins
What charge does a neutron have?
positive
negative
neutral
What charge does a proton have?
positive
negative
neutral
What two particles are in the nucleus of an atom?
protons and electrons
electrons and neutrons
protons and neutrons
How many electrons does this oxygen atom have?
6
8
10
4
If an atom loses 2 electrons, what is its charge?
+2
-2
How would you describe a neutral atom?
Same number of protons and neutrons
Same number of protons and electrons
Same number of neutrons and electrons
Has a negative charge
What 2 factors affect electric force?
Amount of charge and distance
gravity and distance
mass and amount of charge
gravity and mass
Is electric force contact or non-contact force?
Contact
Non-contact
How does electric force relate to Newton’s third law?
The positive and negative particles/objects attract/repel each other equally
The objects will stay at rest until an electric force is applied.
The greater the mass, the greater the electric force.
How does electric force relate to Newton’s first law?
The positive and negative particles/objects attract/repel each other equally
The electrons will not move until there is a force applied.
The greater the mass, the greater the electric force.
Which describes a conductor? Choose all that apply.
Loosely bound electrons, so charge flows easily
TIghtly bound electrons so charge does not flow easily. It builds up.
Ex. Metals
Ex. Plastic, rubber, wood
Which describes an insulator? Choose all that apply.
Loosely bound electrons, so charge flows easily
TIghtly bound electrons so charge does not flow easily. It builds up.
Ex. Metals
Ex. Plastic, rubber, wood
In the water pump analogy, what did the pump represent?
Current
Battery
Voltage
Resistor
In the water pump analogy, what did the height of water represent?
Current
Battery
Voltage
Resistor
In the water pump analogy, what did the water flow represent?
Current
Battery
Voltage
Resistor
In the water pump analogy, where was there the MOST potential energy and the LEAST potential energy?
MOST- Top of pump, LEAST- Bottom of pump
MOST- Bottom of pump, LEAST- Top of pump
MOST- Water flowing down, LEAST- Water flowing up
Resistor
What is voltage?
the rate that electrons flow through a circuit
the force that pushes the electrons through a circuit
The rate at which energy is transferred
How would you increase voltage?
Increase the number of batteries
Place batteries in series
Place batteries in parallel
Add a resistor to the circuit
What is current?
Rate that charge (electrons) flow past a certain point in a circuit
The force required to push electrons through a circuit
The force required to push protons through a circuit.
Which way do electrons flow in a circuit?
From positive electrode on the battery to the negative electrode
From negative electrode on the battery to the positive electrode
What happened to the tape in the experiment?
Electrons were transferred from one piece of tape to the other.
Protons were transferred from one piece of tape to the other.
The adhesive stopped working.
Magic
How did the piece of tape interact? (Top and Bottom)
Check all that apply.
Tops Attracted
Bottoms Repelled
Top and Bottom Attracted
Top and Bottom Repelled
Tops Repelled
Which type of electricity was seen in Sweater/Balloon, John Travoltage, and the Tape experiments?
Current electricity
Static electricity
The balloon and sweater are both examples of:
Conductors
Insulators
What happens to create a charge in the sweater and balloon?
They were rubbed together and which caused protons to move from one material to the next.
They were rubbed together and which caused electrons to move from one material to the next.
Current flowed from one material to the other because they are conductors.
Which statement is true?
Like charges attract; Opposite charges repel
Opposite charges attract; Like charges repel
What is electric discharge and when does that happen?
When a battery dies; Happens when it runs out of chemicals
When the electric charge dissipates because two insulators come in contact with one another.
A sudden flow of electrons from one charged object to another; happens when there is a build-up of electrons on an insulator and they come in contact with a conductor.
How would you describe this circuit?
Open
Closed
What type of battery arrangement does the image show? What is the total voltage?
Series- 1.5 V
Parallel - 1.5 V
Series - 6 V
Parallel - 6 V
What type of battery arrangement does the image show? What is the total voltage?
Series- 1.5 V
Parallel - 1.5 V
Series - 6 V
Parallel - 6 V
Which battery arrangement would have the longest RUN TIME?
Parallel
Series
Which battery arrangement would have the brightest bulb?
Parallel
Series
How do you increase the potential energy of a circuit?
Increase the voltage
Increase the current
Increase the power
Where is the potential energy in a circuit the greatest? Where is it the least?
GREATEST- Negative electrode of Battery;
LEAST- Positive electrode of battery
GREATEST- Positive electrode of Battery;
LEAST- Negative electrode of battery
GREATEST- Flowing current through the wires
LEAST- Positive electrode of the battery
What instrument is used to measure current?
ammeter
Voltmeter
What are the units on the ammeter?
millivolts or mV (.001 amperes)
millivolts or mV (1000000 volts)
milliamperes or mA (.001 amperes)
milliamperes or mA (1,000,000 amperes)
Which shows the correct energy types:
Battery= electrical, Wires= Chemical, Light = electrical
Battery= Thermal, Wires = Electrical, Light= Electrical
Battery= Chemical, Wires= electrical, Light= Thermal/light
When the energy is converted from chemical energy to electrical energy, this is called:
energy transformation
energy transfer
When electrical energy is moved along the wires in a circuit, this is known as:
energy transformation
energy transfer
The opposition to current flow in an electrical circuit is known as:
energy transformation
Resistance
Voltage
Amperes
What type of relationship do resistance and current have?
directly proportional
inversely proportional
Which 2 factors of wire did you investigate and how did they affect resistance? (Check all that apply)
Wire Diameter
Wire Mass
Wire Length
Wire Covering
Which wire would have the LEAST RESISTANCE?
Short wire, small diameter
Short wire, large diameter
Long wire, small diameter
Long wire, large diameter
Which wire would have the MOST RESISTANCE?
Short wire, small diameter
Short wire, large diameter
Long wire, small diameter
Long wire, large diameter
Which particles are transferred to create ions? Why are these particles transferred and not the others?
protons
neutrons
electrons
