Question
Question 1
Match the vocabulary word to its definition.
Column A
1.
electric force:
electric force
2.
electric charge:
electric charge
3.
atomic structure:
atomic structure
4.
atom:
atom
5.
electrical energy:
electrical energy
6.
electron:
electron
7.
electricity:
electricity
8.
static electricity:
static electricity
9.
electric current:
electric current
10.
current electricity:
current electricity
Column B
a.imbalance between negative and positive charges on or in a surface or between two objects
b.the presence and flow of electric charge in one direction
c.the rate of flow of electric charge past a point
d.an electrical charge traveling through a conductor
e.a negatively charged subatomic particle surrounding the atom's nucleus
f.force between two electrically charged objects that are close to each other
g.the basic unit of matter and the defining structure of all elements
h.property of an object or particle that causes it to experience a force when it is in an electric or magnetic field
i.an atom's structure that includes a positively charged nucleus and the negatively charged electrons circling around it
j.the movement of electrons along an electric current
Question 2
Match the vocabulary word to its definition.
Column A
1.
conductors:
conductors
2.
insulators:
insulators
3.
resistance:
resistance
4.
voltage:
voltage
5.
battery:
battery
6.
circuit:
circuit
7.
fuse:
fuse
8.
Ohm's Law:
Ohm's Law
9.
parallel circuit:
parallel circuit
10.
series circuit:
series circuit
11.
switch:
switch
12.
electromagnet:
electromagnet
Column B
a.materials that resist the flow of electric current through them
b.device used to easily start and stop the flow of electrical current
c.an electrical safety device used to protect a circuit from surges in electricity
d.a circuit in which there are multiple paths from the negative terminal of a battery to the positive
e.measure of the opposition to current flow in an electrical current
f.states that voltage = current x resistance
g.a closed path for transmitting electricity
h.a device consisting of an iron or steel core which magnetizes by an electrical current running through a wire coil that surrounds the core
i.the difference in electrical energy per unit charge across two points in a circuit
j.a circuit in which there is only one path from the negative terminal of a battery to the positive terminal
k.a common DC power source
l.materials that allow electric current to pass through them easily
Use the following video to review conductors and insulators and answer the corresponding questions:
Question 3
Which of the following materials are good conductors? (Select all that apply)
a
plastic
b
rubber
c
copper
d
gold
Question 4
Which of the following materials is considered an insulator? (Select all that apply)
a
rubber
b
silver
c
wood
d
gold
Question 5
Which of the following are characteristics of a good conductor? (Select all that apply.)
a
Conducts electricity
b
Allows electrons to flow easily
c
Poor conductor of electricity
d
Resists the flow of electrons
Question 6
When salt is dissolved into water, it can become a better conductor of electricity.
True
False
Question 7
In which kind of material is charge most easily transferred?
a
semiconductors
b
insulators
c
conductors
d
train conductors
e
nonconductors
Use the following video to review the relationship between current, resistance and voltage:
Question 8
What is the relationship between voltage and current (assuming the resistance stays the same)?
a
Voltage does not affect current
b
If the voltage increases, the current increases
c
If the voltage decreases, the current increases
Question 9
You can decrease resistance by making the wire in a circuit smaller.
True
False
Question 10
The current running through a circuit is 10 amps from a 5 V battery. Calculate the resistance.
a
Not enough information
b
0.5 Ohms
c
2 Ohms
d
50 Ohms
Use the following video to review series and parallel circuits:
Question 11
The diagram shows two circuits.
Which statement correctly describes each circuit?
a
The bulbs in both circuits are connected in parallel.
b
The bulbs in both circuits are connected in series.
c
The bulbs in Circuit 1 are connected in parallel, and the bulbs in Circuit 2 are connected in series.
d
The bulbs in Circuit 1 are connected in series, and the bulbs in Circuit 2 are connected in parallel.
Question 12
Imagine a string of holiday lights, with many bulbs connected to each other by wires. One bulb burns out, causing the bulbs next on the string not to work either. What type of circuit must the holiday lights be using?
a
fuse
b
series
c
parallel
d
resistor
Question 13
What three factors affect electric force? Choose all that apply
a
amount of charge
b
potential kinetics of two objects
c
whether the charge is positive or negative
d
the distance between two charged objects
Question 14
What is the effect on the strength of an electromagnet when you increase the number of coils?
a
The strength increases
b
The strength decreases
c
There is no effect on the strength
Question 15
Match the property to its unit
Column A
1.
Current:
Current
2.
Resistance:
Resistance
3.
Voltage:
Voltage
Column B
a.Volts
b.Ohms
c.Ampere
Question 16
Match the scenario to the type of interaction between the particles.
Column A
1.
Two positive charges are place close together:
Two positive charges are place close together
2.
Two negative charges are placed far apart:
Two negative charges are placed far apart
3.
A negative charge and a positive charge are place closed together:
A negative charge and a positive charge are place closed together
4.
A negative and a positive charge are placed far apart:
A negative and a positive charge are placed far apart
Column B
a.Weak repulsive interaction
b.Weak attractive interaction
c.Strong attractive interaction
d.Strong repulsive interaction
Question 17
Which of the following would be considered a load in a circuit?
a
wire
b
switch
c
lightbulb
d
battery
Question 18
What happens to the current flowing through a circuit as resistance increases?
a
It stays the same
b
It decreases
c
It increases
d
It reverses direction
Question 19
The diagram shows four different circuits.
Which circuit will stop producing light if one bulb burns out?
a
Circuit 1
b
Circuit 2
c
Circuit 3
d
Circuit 4
Question 20
What must an object gain or lose to become electrically charged?
a
neutrons
b
electrons
c
protons
d
nucleus
Question 21
What is the number of paths through which electricity can flow in a series circuit?
a
1
b
2
c
3
d
4
Question 22
Use the word bank to complete the following paragraph. **Some words may not be used**
There are two types of circuits: series circuits and parallel circuits. In a circuit, there is only one path for the electrons to flow. If there are several bulbs in this type of circuit, when one goes out, the rest of the bulbs . Additionally in this type of circuit, the bulbs will burn . In a circuit, there are several paths for the electrons to flow. If there are several bulbs in this type of circuit, if one goes out, the rest of the bulbs . The bulbs in this type of circuit burn because all bulbs receive the same amount of .
Word Bank:
go outparallelseriesstay onswitchbatteryampscurrentbrighterdimmerresistance
Blank 1:
Blank 2:
Blank 3:
Blank 4:
Blank 5:
Blank 6:
Blank 7:
Please read: The following questions are review questions from Units 2 through 6. Remember, your tests are cumulative so you will see material from previous units on all tests.
Question 23
What is mechanical advantage?
a
The number of times the machine divides the effort force
b
The number of times the machine adds the effort force
c
The number of times the machine multiples the effort force
d
None of the above
Question 24
What are the two factors that affect the force of gravity between two objects?
a
Mass and matter
b
Weight and mass
c
Distance and weight
d
Distance and mass
Question 25
When a car uses chemical energy and transforms it to mechanical energy, energy is destroyed in the process.
a
True
b
False
Question 26
Order the points on the image from lowest to highest potential energy.
Reorder answers
1.Point C
Reorder answers
2.Point B
Reorder answers
3.Point D
Reorder answers
4.Point A
Question 27
Using Coulomb's Law, if the distance between two charged objects is decreased, what happens to the electric force between them?
a
Electric force will increase
b
Electric force will decrease
c
Electric force is not affected by distance
d
Not enough information
Question 28
Maria makes an electromagnet shown in the figure below. The battery has a voltage of 6.0V, and she uses an iron nail. Which of the following would increase the strength of the magnetic field produced?
a
Changing the battery to a 3.0V battery.
b
Doubling the number of times the wire wraps around the nail.
c
Reversing the direction of the current flow.
d
Replacing the iron nail with one made of plastic.
Question 29
What causes hot air to rise from the pavement on a hot summer day?
a
convection
b
insulation
c
radiation
d
conduction
Question 30
What type of energy transformation is occurring when a lamp is plugged into an outlet?
a
electrical to light
b
electrical to mechanical
c
chemical to light
d
mechanical to electrical
Match the vocabulary word to its definition.
Column A
1.
electric force:
electric force
2.
electric charge:
electric charge
3.
atomic structure:
atomic structure
4.
atom:
atom
5.
electrical energy:
electrical energy
6.
electron:
electron
7.
electricity:
electricity
8.
static electricity:
static electricity
9.
electric current:
electric current
10.
current electricity:
current electricity
Column B
a.imbalance between negative and positive charges on or in a surface or between two objects
b.the presence and flow of electric charge in one direction
c.the rate of flow of electric charge past a point
d.an electrical charge traveling through a conductor
e.a negatively charged subatomic particle surrounding the atom's nucleus
f.force between two electrically charged objects that are close to each other
g.the basic unit of matter and the defining structure of all elements
h.property of an object or particle that causes it to experience a force when it is in an electric or magnetic field
i.an atom's structure that includes a positively charged nucleus and the negatively charged electrons circling around it
j.the movement of electrons along an electric current
Question 2
Match the vocabulary word to its definition.
Column A
1.
conductors:
conductors
2.
insulators:
insulators
3.
resistance:
resistance
4.
voltage:
voltage
5.
battery:
battery
6.
circuit:
circuit
7.
fuse:
fuse
8.
Ohm's Law:
Ohm's Law
9.
parallel circuit:
parallel circuit
10.
series circuit:
series circuit
11.
switch:
switch
12.
electromagnet:
electromagnet
Column B
a.materials that resist the flow of electric current through them
b.device used to easily start and stop the flow of electrical current
c.an electrical safety device used to protect a circuit from surges in electricity
d.a circuit in which there are multiple paths from the negative terminal of a battery to the positive
e.measure of the opposition to current flow in an electrical current
f.states that voltage = current x resistance
g.a closed path for transmitting electricity
h.a device consisting of an iron or steel core which magnetizes by an electrical current running through a wire coil that surrounds the core
i.the difference in electrical energy per unit charge across two points in a circuit
j.a circuit in which there is only one path from the negative terminal of a battery to the positive terminal
k.a common DC power source
l.materials that allow electric current to pass through them easily
Use the following video to review conductors and insulators and answer the corresponding questions:
Question 3
Which of the following materials are good conductors? (Select all that apply)
a
plastic
b
rubber
c
copper
d
gold
Question 4
Which of the following materials is considered an insulator? (Select all that apply)
a
rubber
b
silver
c
wood
d
gold
Question 5
Which of the following are characteristics of a good conductor? (Select all that apply.)
a
Conducts electricity
b
Allows electrons to flow easily
c
Poor conductor of electricity
d
Resists the flow of electrons
Question 6
When salt is dissolved into water, it can become a better conductor of electricity.
True
False
Question 7
In which kind of material is charge most easily transferred?
a
semiconductors
b
insulators
c
conductors
d
train conductors
e
nonconductors
Use the following video to review the relationship between current, resistance and voltage:
Question 8
What is the relationship between voltage and current (assuming the resistance stays the same)?
a
Voltage does not affect current
b
If the voltage increases, the current increases
c
If the voltage decreases, the current increases
Question 9
You can decrease resistance by making the wire in a circuit smaller.
True
False
Question 10
The current running through a circuit is 10 amps from a 5 V battery. Calculate the resistance.
a
Not enough information
b
0.5 Ohms
c
2 Ohms
d
50 Ohms
Use the following video to review series and parallel circuits:
Question 11
The diagram shows two circuits.
Which statement correctly describes each circuit?
a
The bulbs in both circuits are connected in parallel.
b
The bulbs in both circuits are connected in series.
c
The bulbs in Circuit 1 are connected in parallel, and the bulbs in Circuit 2 are connected in series.
d
The bulbs in Circuit 1 are connected in series, and the bulbs in Circuit 2 are connected in parallel.
Question 12
Imagine a string of holiday lights, with many bulbs connected to each other by wires. One bulb burns out, causing the bulbs next on the string not to work either. What type of circuit must the holiday lights be using?
a
fuse
b
series
c
parallel
d
resistor
Question 13
What three factors affect electric force? Choose all that apply
a
amount of charge
b
potential kinetics of two objects
c
whether the charge is positive or negative
d
the distance between two charged objects
Question 14
What is the effect on the strength of an electromagnet when you increase the number of coils?
a
The strength increases
b
The strength decreases
c
There is no effect on the strength
Question 15
Match the property to its unit
Column A
1.
Current:
Current
2.
Resistance:
Resistance
3.
Voltage:
Voltage
Column B
a.Volts
b.Ohms
c.Ampere
Question 16
Match the scenario to the type of interaction between the particles.
Column A
1.
Two positive charges are place close together:
Two positive charges are place close together
2.
Two negative charges are placed far apart:
Two negative charges are placed far apart
3.
A negative charge and a positive charge are place closed together:
A negative charge and a positive charge are place closed together
4.
A negative and a positive charge are placed far apart:
A negative and a positive charge are placed far apart
Column B
a.Weak repulsive interaction
b.Weak attractive interaction
c.Strong attractive interaction
d.Strong repulsive interaction
Question 17
Which of the following would be considered a load in a circuit?
a
wire
b
switch
c
lightbulb
d
battery
Question 18
What happens to the current flowing through a circuit as resistance increases?
a
It stays the same
b
It decreases
c
It increases
d
It reverses direction
Question 19
The diagram shows four different circuits.
Which circuit will stop producing light if one bulb burns out?
a
Circuit 1
b
Circuit 2
c
Circuit 3
d
Circuit 4
Question 20
What must an object gain or lose to become electrically charged?
a
neutrons
b
electrons
c
protons
d
nucleus
Question 21
What is the number of paths through which electricity can flow in a series circuit?
a
1
b
2
c
3
d
4
Question 22
Use the word bank to complete the following paragraph. **Some words may not be used**
There are two types of circuits: series circuits and parallel circuits. In a circuit, there is only one path for the electrons to flow. If there are several bulbs in this type of circuit, when one goes out, the rest of the bulbs . Additionally in this type of circuit, the bulbs will burn . In a circuit, there are several paths for the electrons to flow. If there are several bulbs in this type of circuit, if one goes out, the rest of the bulbs . The bulbs in this type of circuit burn because all bulbs receive the same amount of .
Word Bank:
go outparallelseriesstay onswitchbatteryampscurrentbrighterdimmerresistance
Blank 1:
Blank 2:
Blank 3:
Blank 4:
Blank 5:
Blank 6:
Blank 7:
Please read: The following questions are review questions from Units 2 through 6. Remember, your tests are cumulative so you will see material from previous units on all tests.
Question 23
What is mechanical advantage?
a
The number of times the machine divides the effort force
b
The number of times the machine adds the effort force
c
The number of times the machine multiples the effort force
d
None of the above
Question 24
What are the two factors that affect the force of gravity between two objects?
a
Mass and matter
b
Weight and mass
c
Distance and weight
d
Distance and mass
Question 25
When a car uses chemical energy and transforms it to mechanical energy, energy is destroyed in the process.
a
True
b
False
Question 26
Order the points on the image from lowest to highest potential energy.
Reorder answers
1.Point C
Reorder answers
2.Point B
Reorder answers
3.Point D
Reorder answers
4.Point A
Question 27
Using Coulomb's Law, if the distance between two charged objects is decreased, what happens to the electric force between them?
a
Electric force will increase
b
Electric force will decrease
c
Electric force is not affected by distance
d
Not enough information
Question 28
Maria makes an electromagnet shown in the figure below. The battery has a voltage of 6.0V, and she uses an iron nail. Which of the following would increase the strength of the magnetic field produced?
a
Changing the battery to a 3.0V battery.
b
Doubling the number of times the wire wraps around the nail.
c
Reversing the direction of the current flow.
d
Replacing the iron nail with one made of plastic.
Question 29
What causes hot air to rise from the pavement on a hot summer day?
a
convection
b
insulation
c
radiation
d
conduction
Question 30
What type of energy transformation is occurring when a lamp is plugged into an outlet?
a
electrical to light
b
electrical to mechanical
c
chemical to light
d
mechanical to electrical
Answers
GPT-4o mini
Sure! Here are the answers to the questions you provided.
**Question 1: Match the vocabulary word to its definition.**
1. electric force: **f.** force between two electrically charged objects that are close to each other
2. electric charge: **h.** property of an object or particle that causes it to experience a force when it is in an electric or magnetic field
3. atomic structure: **i.** an atom's structure that includes a positively charged nucleus and the negatively charged electrons circling around it
4. atom: **g.** the basic unit of matter and the defining structure of all elements
5. electrical energy: **j.** the movement of electrons along an electric current
6. electron: **e.** a negatively charged subatomic particle surrounding the atom's nucleus
7. electricity: **d.** an electrical charge traveling through a conductor
8. static electricity: **a.** imbalance between negative and positive charges on or in a surface or between two objects
9. electric current: **b.** the presence and flow of electric charge in one direction
10. current electricity: **c.** the rate of flow of electric charge past a point
**Question 2: Match the vocabulary word to its definition.**
1. conductors: **l.** materials that allow electric current to pass through them easily
2. insulators: **a.** materials that resist the flow of electric current through them
3. resistance: **e.** measure of the opposition to current flow in an electrical current
4. voltage: **i.** the difference in electrical energy per unit charge across two points in a circuit
5. battery: **k.** a common DC power source
6. circuit: **g.** a closed path for transmitting electricity
7. fuse: **c.** an electrical safety device used to protect a circuit from surges in electricity
8. Ohm's Law: **f.** states that voltage = current x resistance
9. parallel circuit: **d.** a circuit in which there are multiple paths from the negative terminal of a battery to the positive
10. series circuit: **j.** a circuit in which there is only one path from the negative terminal of a battery to the positive terminal
11. switch: **b.** device used to easily start and stop the flow of electrical current
12. electromagnet: **h.** a device consisting of an iron or steel core which magnetizes by an electrical current running through a wire coil that surrounds the core
**Question 3: Which of the following materials are good conductors?**
- **c. copper**
- **d. gold**
**Question 4: Which of the following materials is considered an insulator?**
- **a. rubber**
- **c. wood**
**Question 5: Which of the following are characteristics of a good conductor?**
- **a. Conducts electricity**
- **b. Allows electrons to flow easily**
**Question 6: When salt is dissolved into water, it can become a better conductor of electricity.**
- **True**
**Question 7: In which kind of material is charge most easily transferred?**
- **c. conductors**
**Question 8: What is the relationship between voltage and current (assuming the resistance stays the same)?**
- **b. If the voltage increases, the current increases**
**Question 9: You can decrease resistance by making the wire in a circuit smaller.**
- **False**
**Question 10: The current running through a circuit is 10 amps from a 5 V battery. Calculate the resistance.**
- **c. 0.5 Ohms** (using Ohm's Law: Resistance (R) = Voltage (V) / Current (I) → R = 5V / 10A)
**Question 11: Which statement correctly describes each circuit?**
- **c. The bulbs in Circuit 1 are connected in parallel, and the bulbs in Circuit 2 are connected in series.**
**Question 12: What type of circuit must the holiday lights be using?**
- **b. series**
**Question 13: What three factors affect electric force? Choose all that apply.**
- **a. amount of charge**
- **c. whether the charge is positive or negative**
- **d. the distance between two charged objects**
**Question 14: What is the effect on the strength of an electromagnet when you increase the number of coils?**
- **a. The strength increases**
**Question 15: Match the property to its unit.**
1. Current: **c. Ampere**
2. Resistance: **b. Ohms**
3. Voltage: **a. Volts**
**Question 16: Match the scenario to the type of interaction between the particles.**
1. Two positive charges are placed close together: **d. Strong repulsive interaction**
2. Two negative charges are placed far apart: **a. Weak repulsive interaction**
3. A negative charge and a positive charge are placed close together: **c. Strong attractive interaction**
4. A negative and a positive charge are placed far apart: **b. Weak attractive interaction**
**Question 17: Which of the following would be considered a load in a circuit?**
- **c. lightbulb**
**Question 18: What happens to the current flowing through a circuit as resistance increases?**
- **b. It decreases**
**Question 19: Which circuit will stop producing light if one bulb burns out?**
- **b. Circuit 2** (assuming it's a typical series circuit)
**Question 20: What must an object gain or lose to become electrically charged?**
- **b. electrons**
**Question 21: What is the number of paths through which electricity can flow in a series circuit?**
- **a. 1**
**Question 22: Complete the paragraph.**
- Blank 1: **series**
- Blank 2: **go out**
- Blank 3: **brighter**
- Blank 4: **parallel**
- Blank 5: **stay on**
- Blank 6: **amps**
- Blank 7: **current**
**Question 23: What is mechanical advantage?**
- **a. The number of times the machine divides the effort force**
**Question 24: What are the two factors that affect the force of gravity between two objects?**
- **d. Distance and mass**
**Question 25: When a car uses chemical energy and transforms it to mechanical energy, energy is destroyed in the process.**
- **b. False**
**Question 26: Order the points on the image from lowest to highest potential energy.**
- **1. Point C**
- **2. Point B**
- **3. Point D**
- **4. Point A**
**Question 27: Using Coulomb's Law, if the distance between two charged objects is decreased, what happens to the electric force between them?**
- **a. Electric force will increase**
**Question 28: Which of the following would increase the strength of the magnetic field produced?**
- **b. Doubling the number of times the wire wraps around the nail.**
**Question 29: What causes hot air to rise from the pavement on a hot summer day?**
- **a. convection**
**Question 30: What type of energy transformation is occurring when a lamp is plugged into an outlet?**
- **a. electrical to light**
Feel free to ask if you have any questions or need clarification on any of the answers!
**Question 1: Match the vocabulary word to its definition.**
1. electric force: **f.** force between two electrically charged objects that are close to each other
2. electric charge: **h.** property of an object or particle that causes it to experience a force when it is in an electric or magnetic field
3. atomic structure: **i.** an atom's structure that includes a positively charged nucleus and the negatively charged electrons circling around it
4. atom: **g.** the basic unit of matter and the defining structure of all elements
5. electrical energy: **j.** the movement of electrons along an electric current
6. electron: **e.** a negatively charged subatomic particle surrounding the atom's nucleus
7. electricity: **d.** an electrical charge traveling through a conductor
8. static electricity: **a.** imbalance between negative and positive charges on or in a surface or between two objects
9. electric current: **b.** the presence and flow of electric charge in one direction
10. current electricity: **c.** the rate of flow of electric charge past a point
**Question 2: Match the vocabulary word to its definition.**
1. conductors: **l.** materials that allow electric current to pass through them easily
2. insulators: **a.** materials that resist the flow of electric current through them
3. resistance: **e.** measure of the opposition to current flow in an electrical current
4. voltage: **i.** the difference in electrical energy per unit charge across two points in a circuit
5. battery: **k.** a common DC power source
6. circuit: **g.** a closed path for transmitting electricity
7. fuse: **c.** an electrical safety device used to protect a circuit from surges in electricity
8. Ohm's Law: **f.** states that voltage = current x resistance
9. parallel circuit: **d.** a circuit in which there are multiple paths from the negative terminal of a battery to the positive
10. series circuit: **j.** a circuit in which there is only one path from the negative terminal of a battery to the positive terminal
11. switch: **b.** device used to easily start and stop the flow of electrical current
12. electromagnet: **h.** a device consisting of an iron or steel core which magnetizes by an electrical current running through a wire coil that surrounds the core
**Question 3: Which of the following materials are good conductors?**
- **c. copper**
- **d. gold**
**Question 4: Which of the following materials is considered an insulator?**
- **a. rubber**
- **c. wood**
**Question 5: Which of the following are characteristics of a good conductor?**
- **a. Conducts electricity**
- **b. Allows electrons to flow easily**
**Question 6: When salt is dissolved into water, it can become a better conductor of electricity.**
- **True**
**Question 7: In which kind of material is charge most easily transferred?**
- **c. conductors**
**Question 8: What is the relationship between voltage and current (assuming the resistance stays the same)?**
- **b. If the voltage increases, the current increases**
**Question 9: You can decrease resistance by making the wire in a circuit smaller.**
- **False**
**Question 10: The current running through a circuit is 10 amps from a 5 V battery. Calculate the resistance.**
- **c. 0.5 Ohms** (using Ohm's Law: Resistance (R) = Voltage (V) / Current (I) → R = 5V / 10A)
**Question 11: Which statement correctly describes each circuit?**
- **c. The bulbs in Circuit 1 are connected in parallel, and the bulbs in Circuit 2 are connected in series.**
**Question 12: What type of circuit must the holiday lights be using?**
- **b. series**
**Question 13: What three factors affect electric force? Choose all that apply.**
- **a. amount of charge**
- **c. whether the charge is positive or negative**
- **d. the distance between two charged objects**
**Question 14: What is the effect on the strength of an electromagnet when you increase the number of coils?**
- **a. The strength increases**
**Question 15: Match the property to its unit.**
1. Current: **c. Ampere**
2. Resistance: **b. Ohms**
3. Voltage: **a. Volts**
**Question 16: Match the scenario to the type of interaction between the particles.**
1. Two positive charges are placed close together: **d. Strong repulsive interaction**
2. Two negative charges are placed far apart: **a. Weak repulsive interaction**
3. A negative charge and a positive charge are placed close together: **c. Strong attractive interaction**
4. A negative and a positive charge are placed far apart: **b. Weak attractive interaction**
**Question 17: Which of the following would be considered a load in a circuit?**
- **c. lightbulb**
**Question 18: What happens to the current flowing through a circuit as resistance increases?**
- **b. It decreases**
**Question 19: Which circuit will stop producing light if one bulb burns out?**
- **b. Circuit 2** (assuming it's a typical series circuit)
**Question 20: What must an object gain or lose to become electrically charged?**
- **b. electrons**
**Question 21: What is the number of paths through which electricity can flow in a series circuit?**
- **a. 1**
**Question 22: Complete the paragraph.**
- Blank 1: **series**
- Blank 2: **go out**
- Blank 3: **brighter**
- Blank 4: **parallel**
- Blank 5: **stay on**
- Blank 6: **amps**
- Blank 7: **current**
**Question 23: What is mechanical advantage?**
- **a. The number of times the machine divides the effort force**
**Question 24: What are the two factors that affect the force of gravity between two objects?**
- **d. Distance and mass**
**Question 25: When a car uses chemical energy and transforms it to mechanical energy, energy is destroyed in the process.**
- **b. False**
**Question 26: Order the points on the image from lowest to highest potential energy.**
- **1. Point C**
- **2. Point B**
- **3. Point D**
- **4. Point A**
**Question 27: Using Coulomb's Law, if the distance between two charged objects is decreased, what happens to the electric force between them?**
- **a. Electric force will increase**
**Question 28: Which of the following would increase the strength of the magnetic field produced?**
- **b. Doubling the number of times the wire wraps around the nail.**
**Question 29: What causes hot air to rise from the pavement on a hot summer day?**
- **a. convection**
**Question 30: What type of energy transformation is occurring when a lamp is plugged into an outlet?**
- **a. electrical to light**
Feel free to ask if you have any questions or need clarification on any of the answers!