WorksheetsElectricity Review
Total questions: 22
Worksheet time: 7mins
Which of the following would conduct electricity?
Rubber gloves
Steel trash can
Plastic chair
Cloth shirt
Which of the following would conduct electricity?
Gold ring
Glass mug
Rubber tire
Plastic bottle
Which of the following would conduct electricity?
Tissue
Paper plate
Aluminum wire
Wooden spoon
Which of the following would conduct electricity?
Wood ruler
Copper coin
Feather
Sweatshirt
Why are metal wires often coated with rubber or plastic?
They are good attractors.
They are good conductors.
They are good magnets.
They are good insulators.
What is the name for a material which current cannot flow through easily?
Conductor
Insulator
Magnet
Circuit
In an OPEN circuit, the light bulbs would turn ___________.
off
on
In a CLOSED circuit, the light bulbs would turn ___________.
off
on
If your TV remote needs 2 batteries stacked on top of each other in order to work, what would happen if you put an insulator like cardboard in between the two batteries?
The flashlight would work.
The flashlight would not work.
What type of charges would attract to each other?
Positive to positive
Negative to negative
Positive to negative
A light bulb produces both radiant (light) energy and _________ energy.
Mechanical
Thermal
Sound
Which of the following is designed to create a magnetic force?
Circuit with a light bulb
Insulator
Electromagnet
Conductor
In class, we saw paper clips attracted to the nail of the electromagnet. Why did those paper clips stick to the nail?
Magnetic force
Conductors
Gravity
Mechanical energy
Which of the following causes an iron core to become a temporary magnet?
Gravity
Electrical currents
Magnetism
Radiant energy
In order for a light bulb to light, electrical energy must be transformed into what type of energy?
Mechanical
Light (Radiant)
Thermal
Sound
In order for a toaster to work, electrical energy must be transformed into what type of energy?
Mechanical
Light (Radiant)
Thermal
Sound
In order for a fan to work, electrical energy must be transformed into what type of energy?
Mechanical
Light (Radiant)
Thermal
Sound
A __________ has a continuous path for electrons to flow.
Open circuit
Closed circuit
Which household appliance converts electrical energy into mechanical energy?
Blender
Oven
Television
Which household appliance converts electrical energy into thermal energy?
Blender
Oven
Television
Which household appliance converts electrical energy into radiant (light) energy?
Blender
Oven
Television
A student in our class took off their wool hat, making their hair stand up straight. Why did their hair stand up straight like that?
Their hair removed negative charges from the hat.
The hat removed negative charges from their hair.
Their hair removed positive charges from the hat.
The hat removed positive charges from their hair.
