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WorksheetsQuiz
Total questions: 49
Worksheet time: 50mins
You are riding a skateboard. You fly forward off the board when you hit a curb.
The batter swings the bat hard, sending the ball into the seats for a home run.
Magnetic force is strongest at the center of the magnet.
The strength of an electromagnet may be affected by the size and shape of its core.
William Sturgeon discovered that a current traveling through a wire produces a weak magnetic field in the live wire.
Electromagnets are much weaker than other magnets.
A computer uses the binary number system to communicate information.
The spot where a lever turns is called a fulcrum.
The resistance force works against the effort.
The force that works against the effort force is called the resistance force.
_____ is the ability to make something move.
Mechanical energy
Chemical energy
Motion
Inertia
An electric cell uses chemical reactions to _____.
stop a flow of power
produce an electrical current
uses a magnet to convert motion into electrical energy
electrolyte
generator
conductor
resistor
a material that allows electricity to flow through it easily
electrolyte
generator
conductor
resistor
The ability to do work is called _____.
energy
mass
motion
mechanical energy
_____ keeps an object from moving against other objects.
acceleration
force
friction
inertia
A push or pull is _____.
acceleration
a force
friction
inertia
a liquid or paste substance that conducts electricity
electrolyte
generator
conductor
resistor
ladder
wheel and axle
inclined plane
pulley
lever
A change in velocity during a period of time is _____.
acceleration
friction
momentum
jar lid
wheel and axle
inclined plane
pulley
screw
The pull of one object on another is called _____.
gravity
friction
inertia
A very small circuit with all the components in a single unit is called a(n) _____.
parallel circuit
integrated circuit
series circuit
underlying circuit
Speed is the _____ an object travels in a specific time.
momentum
position
distance
a material through which electricity cannot flow
insulator
generator
conductor
resistor
Henry usually runs about 7.5 mi/h.
acceleration
distance
speed
velocity
Stored energy that an object has because of its position is called _____ energy.
mechanical
potential
kinetic
A fixed, unmoving object or location is _____.
potential energy
a joule
a reference point
effort force
A continuous, unbroken path for electricity is called a _____.
magnet
circuit
generator
conductor
discovered that adding a metal core to a coil of wire increases the magnetism
William Sturgeon
Joseph Henry and Michael Faraday
Hans Christian Oersted
A(n) _____ has only one path for the electricity to travel.
parallel circuit
integrated circuit
series circuit
underlying circuit
Which unit measures power, or how fast work is done?
60sec
ampere
volt
joule
watt
A liquid or paste substance that conducts electricity is called a(n) _____.
conductor
electrolyte
insulator
resistor
axe blade
wheel and axle
wedge
pulley
lever
Who discovered that adding a metal core to a coil of wire increased the magnetism?
Joseph Henry
William Sturgeon
Hans Christian Oersted
Michael Faraday
A material that allows electricity to flow through it easily is called a(n) _____.
conductor
circuit
insulator
resistor
A(n) _____ has multiple paths for electricity to travel.
parallel circuit
integrated circuit
series circuit
underlying circuit
discovered that current traveling through a wire produces a weak magnetic field in the live wire
William Sturgeon
Joseph Henry and Michael Faraday
Hans Christian Oersted
Henry increased his speed, passed the runner, and won the race.
acceleration
distance
speed
velocity
A coil of wire with a core attached to an electrical source is called a(n) _____.
60sec
battery
electromagnet
magnet
generator
discovered that moving a magnet around or through a loop of wire produces electricity in the wire
William Sturgeon
Joseph Henry and Michael Faraday
Hans Christian Oersted
_____ is the change of an object’s position.
Kinetic energy
Motion
Speed
Resistance
doorknob
wheel and axle
inclined plane
pulley
lever
During the chemical reaction in an electric cell, electrons leave the negative terminal and _____.
travel through the wire to the positive terminal
travel through the electrolyte to the positive terminal
A _____ is a material that can work as a conductor or as an insulator.
60sec
ROM
magnet
semiconductor
resistor
flagpole
wheel and axle
inclined plane
pulley
screw
Which unit measures how much current flows through a given part of a circuit in one second?
60sec
ampere
volt
joule
watt
broom
wheel and axle
wedge
pulley
lever
a material that reduces the flow of electricity
electrolyte
generator
conductor
resistor
