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WorksheetsHMH Unit 10
Total questions: 27
Worksheet time: 16mins
What is the buildup of electric charge on an object?
electric current
static electricity
conductor
battery
What supplies energy to move charges through a circuit?
battery
the sun
an insulator
a conductor
What is material that electric current can pass through easily?
a circuit
a battery
a conductor
an insulator
What is the path made for an electric current called?
electric current
an insulator
a conductor
a circuit
What is material that electric current CANNOT easily pass through?
electric current
a conductor
an insulator
static electricity
If there is a break along a series circuit what will happen?
It will work but not as well.
It will keep going because it is a series.
It stops for a second and then reboots.
It will stop working.
Electric currents need a ________________ to keep electrons flowing.
lots of neutrons and electrons.
an energy source
an insulator
lightning
What is it called if an object has the same number of positive and negative charges?
neutral
a resistor
a parallel circuit
positive
Objects with opposite charges _________________ if held next to each other.
repel
explode
attract
are neutral
If you have two objects with the same charges what will happen?
they will attract one another.
they will be neutral.
they will repel from each other.
they will create a static charge.
What is an example of an insulator?
metal
rubber
water
fire
What is an example of a conductor pertaining to the study of electricity?
a train operator
rubber
metal
bubble gum
Brayson made the circuit shown here in his science class. What is the most likely reason that the bulb is not lit?
The bulb is cracked.
He did not use the right size battery.
He used too many pieces of wire.
He left the switch open.
_____________ electricity is the build-up of an electrical charge on the surface of an object. The charges stay in one place and do not flow to another area.
Static
Current
Circuit
Battery
Students are using the set-up pictured here to test how energy can move through a circuit. In order to complete this circuit, they should connect wires between which two points?
A and C
A and B
A and D
B and D
An incomplete circuit that has a break to stop electricity from flowing
parallel circuit
closed circuit
open circuit
current
A power source where chemicals react to make electricity
battery
circuit
electricity
conductor
A circuit that has no openings or breaks to stop electricity from flowing
series circuit
battery
closed circuit
insulator
These objects change electrical energy into thermal energy and motion
hair dryer and clothes dryer
television and radio
radio and hair dryer
television and hair dryer
What is true about a neutral object?
It has more negative charges.
It has an equal number of positive and negative charges.
It has more positive charges.
Which are examples of an electric conductor?
plastic , wood
wood, paper
copper, aluminum
glass pottery
What kind of circuit is used for wiring in buildings so when one light goes out, they don't all go out?
parallel
series
static
What is a device in which current produces magnetism?
electricity
electromagnet
wind energy
What is a machine that changes electrical energy into energy in motion?
electric motor
electromagnet
circuit
electric current
Is wood a conductor or insulator?
conductor
insulator
