WorksheetsScience Unit 4 - Electricity
Total questions: 25
Worksheet time: 32mins
What type of energy is shown in the picture?
wind energy
solar energy
hydroelectric energy
thermal energy
What type of energy allows televisions and video games to work?
wind energy
thermal energy
kinetic energy
electrical energy
What was the importance of Alessandro Volta’s contribution to electric energy?
He made the first light bulbs.
He invented the first electric battery.
He built the first integrated circuit.
He developed the first electric motor.
. In the 1960s, techniques to create integrated circuits were developed by Jack Kilby
and Robert Noyce which started the modern electronics era. What is the other
name for this technique in creating integrated circuits?
battery
conductor
static electricity
microchip
In an electric circuit the object in the picture is an example of a:
receptor
switch
generator
electrical cord
In an electric circuit the object in the picture is an example of a:
receptor
generator
switch
electrical cord
What is the function of the switch on a flashlight?
Giving energy to the circuit.
Transforming electric energy.
Allowing the current to circulate.
Redirecting the light from the light bulb.
Which of the following materials would not allow electric charges to circulate
freely?
What energy transformation does the image show?
From kinetic to sound energy
From electrical to heat energy
From thermal to electrical energy
From electrical to light energy
What energy transformation does the image show?
From wind to electrical energy
From kinetic to heat energy
From electrical to kinetic energy
From sound to light energy
Which of the following images show a
series circuit?
Does the picture refer to a dangerous use of electricity or safe use of electricity.
dangerous
safe
Does the picture refer to a dangerous use of electricity or safe use of electricity.
safe
dangerous
Does the picture refer to a dangerous use of electricity or safe use of electricity.
dangerous
safe
Does the picture refer to a dangerous use of electricity or safe use of electricity.
dangerous
safe
Draw a simple circuit using these symbols.
What happens when you open or close the switch?
What is the role of the electric cords or wires in a circuit
Look at the picture and identify if it helps save electricity or not.
saving electricity
wasting electricity
Look at the picture and identify if it helps save electricity or not.
saving electricity
wasting electricity
Look at the picture and identify if it helps save electricity or not.
saving electricity
wasting electricity
Which of these devices DOES NOT transform electrical energy into thermal energy to work?
What is the purpose of a switch in an electric circuit?
To generate electricity
To store electricity
To increase the flow of electricity
To control the flow of electricity
What is the main source of electrical energy in most households?
power grid
batteries
wind turbines
solar panels
In an electric circuit, the objects in the picture are examples of:
generator
electrical cord
switch
receptor
