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WorksheetsProject 4 Vocab
Total questions: 7
Worksheet time: 4mins
What does “diffusion” mean in the context of light?
The spreading out of light in different directions
The complete absorption of light by an object
The reflection of light in a single direction
The increase in electrical resistance in a circuit
What does the term "polarity" refer to in an LED circuit?
The brightness of the LED
The required alignment of positive and negative connections
The amount of current flowing through the LED
The resistance of the LED
What is voltage?
The speed at which electricity moves
The force that pushes electric current through a circuit
The total amount of energy stored in a battery
The brightness of an LED
What is electroluminescence?
The process by which an LED generates light when current flows through it
The heating effect of electric current
The resistance created by an electrical component
The vibration of particles in a conductor
What is the role of a switch in an electrical circuit?
It stores electrical energy and releases it when needed
It increases the voltage of the circuit
It controls the flow of electricity by opening or closing the circuit
It converts electrical energy into light
What does “energy efficiency” mean in an electrical circuit?
The ability to convert electrical energy into useful output with minimal waste
The amount of electricity stored in a battery
The speed at which electrical energy moves through a wire
The brightness of an LED when more batteries are used
What is the primary function of a battery holder in a circuit?
To increase the power output of the battery
To safely connect the battery to the circuit and ensure proper alignment of polarity
To store extra electrical energy for later use
To control the flow of electricity in the circuit
