Questão 1
Questão
Insulators do not conduct electricity well
Questão 2
Questão
Electrical energy moves through materials that are___________?
Responda
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Insulators
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Conductors
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Redactors
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Inflectors
Questão 3
Questão
Select all that are Conductors.
Questão 4
Questão
All of the following are Insulators except which one?
Responda
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Rubber
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Metal
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Plastic
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Wodd
Questão 5
Questão
What creates an electric current?
Responda
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A continuous flow of positive charges (protons)
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A broken up flow of negative charges (electrons)
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A continuous flow of negative charges (electrons)
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A continuous flow of neutral charges (neutrons)
Questão 6
Questão
The pathway taken by an electric current is a circuit?
Questão 7
Questão
Closed circuits [blank_start]_________[blank_end] the movement of electrical energy.
Questão 8
Questão
Open circuits [blank_start]___________[blank_end] the movement of electrical energy.
Questão 9
Questão
What type of circuit is shown?
Questão 10
Questão
What type of circuit is shown here?
Questão 11
Questão
How many pathways are there for the current in a series circuit?
Responda
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only two
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two or more
-
none
-
only one
Questão 12
Questão
How many pathways are there for a parallel circuit?
Responda
-
none
-
only one
-
two or more
-
only two
Questão 13
Questão
Electrical energy can be transformed into:
(select all that apply)
Responda
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Gravitational energy
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Heat energy
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Mechanical energy
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Chemical energy
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Light energy
Questão 14
Questão
Electrical energy can be transformed into 3 different types of energy. What type of energy are each of the pictures below?
Questão 15
Questão
How do you create static electricity?
Responda
-
By sticking your finger in an outlet
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By mixing water and soap in a rubber bucket
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By rubbing certain materials together
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By putting a wire in vinegar
Questão 16
Questão
Lightning is the discharge of static electricity in the atmosphere
Questão 17
Questão
Who proved lightning was a form of electricity?
Responda
-
Michael Faraday
-
Thomas Alva Edison
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Nikola Tesla
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Benjamin Franklin
Questão 18
Questão
Who improved the electric lightbulb?
Responda
-
Benjamin Franklin
-
Michael Faraday
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Thomas Alva Edison
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Nikola Tesla
Questão 19
Questão
Michael Faraday was a Founding Father of the United States.
Questão 20
Questão
Who was an English scientist who discovered the relationship between electricity and magnetism?
Responda
-
Nikola Tesla
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Michael Faraday
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Benjamin Franklin
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Thomas Alva Edison
Questão 21
Questão
This person figured out how to distribute electricity easily. Who was it?[blank_start]________________________[blank_end]
Responda
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Benjamin Franklin
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Thomas Alva Edison
-
Nikola Tesla
-
Michael Faraday
Questão 22
Questão
Magnetism is another form of gravity that is created by the movement of electrons.
Questão 23
Questão
Electricity and Magnetism are related. An electric current creates a [blank_start]______________________[blank_end], and a magnetic field creates a [blank_start]_____________________[blank_end].
Responda
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magnetic field
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electric current
Questão 24
Questão
All magnets have two ends called_________________?
Responda
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poles
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heads
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tops and bottoms
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North and South
Questão 25
Questão
Select all materials that magnets are made from:
Responda
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iron
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copper
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nickel
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cobalt
Questão 26
Questão
The poles called North and South are ___________________ to one another.
Responda
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repulsed
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attracted
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repelled
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reject
Questão 27
Questão
There are two different types of magnets.
Questão 28
Questão
The two different types of magnets are...
Questão 29
Questão
Permanent magnets are...
Responda
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temporary magnets
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flexible magnets
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always magnetic
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seldom magnetic
Questão 30
Questão
Electromagnets are...
Responda
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temporary magnets
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flexible magnets
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zapper magnets
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permanent magnets
Questão 31
Questão
A [blank_start]_____________[blank_end] flowing through a [blank_start]_____________[blank_end] creates a [blank_start]____________________[blank_end].
Responda
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current
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pulse
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force
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charge
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tube
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string
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coils
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wire
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force field
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magnetic field
-
electrical field
-
electromagnet field
Questão 32
Questão
The strength of an electromagnet can be increased or decreased by....Select all that apply.
Responda
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Changing the power of the force field around the magnet
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Changing the strength of the electric current flowing through the wire
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Changing the metal used in the coils
-
Changing the number of coils
Questão 33
Questão
What type of circuit is shown?
Questão 34
Questão
What type of circuit is pictured below?
Responda
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Parallel
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Balanced
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Series
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Closed