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Natural Vs Human-Harnessed Electricity Review
Test Description: Review game for unit 9
Instructions: Answer all questions to get your test result.
1) A source of human-harnessed electricity is
A
A hydroelectric dam
B
getting a shock from a doorknob
C
socks from the dryer sticking together
D
lightning striking a building
2) Examples of how humans harness current electricity would be
A
Windmills generating electricity
B
Both 1 and 3
C
Using electricity to run a lamp
D
getting a shock from a doorknob
3) What is one way static electricity is different from electricity humans use to run things in their home?
A
Static electricity flows at a constant rate
B
Static electricity requires magnets and coils of wire
C
Static electricity is a quick release of energy
D
Static electricity always goes in the same direction
4) Electricity flowing through a wire
A
Static electricity
B
Charge
C
Electric Current
D
Human-harnessed electricity
5) Either positive or negative
A
Charge
B
Electric current
C
Human-harnessed electricity
D
Static electricity
6) Typically produced by friction that causes a shock and occurs naturally
A
Human-harnessed electricity
B
Electric current
C
Static electricity
D
Charge
7) Electricity that is produced by human intervention
A
Human-harnessed electricity
B
Electric current
C
Static electricity
D
Charge
8) One way to know that lightning is an example of static electricity is because lightning
A
Requires a metal surface
B
Moves toward magnets
C
is a quick release of energy
D
Is created by thunder
9) Why is current electricity a better source for use in our homes than static electricity?
A
A steady flow of electric current is needed in our homes
B
Electricity is used where people live
C
Different amounts of electricity are used at different times
D
Materials must be used to create electricity
10) Static electricity is made when
A
There is an imbalance between the positive charges and the negative charges of materials
B
There is a steady flow of electricity through a current
C
Humans intervene
D
There is a balance between the positive charges and the negative charges of materials
11) Carter takes off his hat on a dry winter day and notices his hair is standing straight up. What caused this?
A
Static electricity because there was an imbalance between the positive and negative charges of the material
B
Static electricity because there was a balance between the positive and negative charges of the material
C
Human-Harnessed electricity because there was a balance between the positive and negative charges of the material
D
Human-Harnessed electricity because there was an imbalance between the positive and negative charges of the material
12) What is natural electricity?
A
Natural electricity is manually created (crank flashlight)
B
Natural electricity is a steady flow of electricity that is used as energy in our homes (circuit)
C
Natural electricity is created with human intervention (circuits)
D
Natural electricity is created naturally with no help from humans (static electricity)
13) What is human-harnessed electricity?
A
Human-harnessed electricity is created by friction (static electricity)
B
Human-harnessed electricity is created with human intervention (circuits)
C
Human-harnessed electricity is created without help from humans (circuits)
D
Human-harnessed electricity is created naturally (static electricity)
*select an answer for all questions
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