WorksheetsEnergy and Electricity
Total questions: 40
Worksheet time: 10hrs 0mins
The energy of motion
A combination of two types of energy
Stored energy
How far something goes in a specific time
The energy of motion
A combination of two types of energy
Stored energy
How far something goes in a specific time
The energy of motion
The ability to cause motion (kinetic and potential energy)
Stored energy
How far something goes in a specific time
kinetic energy
potential energy
mechanical energy
all answer choices
Potential energy
Kinetic energy
Mechanical energy
more
less
Drumming and playing the guitar are an example of:
Thermal energy
Light energy
Sound energy
Electrical energy
The picture shows what type of transformation
Electrical to mechanical
light to electric
electrical to light
light to light
What type of transformation is shown in the picture
potential to kinetic
kinetic to potential
potential to light
potential to sound
What type of energy transfer is showed in the image
potential to kinetic
electrical to potential
electrical to heat
heat to electrical
This circuit does not work. Which of these would allow the bulbs to light?
Open the switch and then connect the two wires that are attached to the wood block
Switch the positions of the two wires that are connected to the battery and then open the switch
Move the switch closer in the circuit to the battery
Connect the two wires that are attached to the wood block
A string of lights with small bulbs is shown below. The bulbs are connected by wire that is covered in an insulator. When the lights are on, electricity travels in....
a complete circuit
a sound wave
a light ray
an incomplete path
Why is electrical wiring usually made from copper?
Because copper is shiny
Because copper conducts electricity
Because copper is not magnetic
Because copper insulates electricity
Some students built this circuit, but the bulb does not glow? Why doesn't the bulb glow?
The battery is not charged.
The bulb is not part of a complete circuit.
The circuit does not have a switch.
The bell uses most of the energy from the battery.
plastic straw
cotton string
aluminum foil
rubber eraser
Battery
Electric socket
Wires
Magic
Closed Circuit
Free Circuit
Open Circuit
Energy Circuit
1
2
3
4
Food energy
Heat Energy
Solar Energy
Wind Energy
What are electrons?
Negatively charged subatomic particles
Positively charged subatomic particles
Neutrally-charged subatomic particles
Negatively charged atoms
What is a current?
A steady flow of electricity.
A short burst of electricity.
A wire along which electricity flows.
A power source that supplies electricity.
What might happen if wires weren't insulated?
The power source would no longer provide a source of electrons.
We'd be in danger of harm from electric shocks.
Current electricity would become static electricity.
The circuit would be broken.
If you rub a balloon on your hair, it will stick to a wall.
Which of these objects develops a negative charge because of this rubbing action?
wall
your hair
your hands
balloon
Tyra and Mark produced static electricity in two balloons.
Which of the following is the best reason why the balloons push each other apart?
The balloons have magnetic charges
The balloons have no charges
The balloons have opposite charges
The balloons have the same charge
Annie classified some materials as insulators or as conductors. Which of the following materials did she list in the wrong column?
air
glass
rubber
saltwater
Which would make the strongest electromagnet?
A battery with 4 wire coils around a nail
A battery with 6 wire coils around a nail
A battery 10 wire coils around a nail
A battery with 8 wire coils around a nail
The space around a magnet where the force of the magnet can act is called-
static electricity
lightning
a magnetic field
resistance
What force causes two metals to repel or attract?
Friction
Gravity
Magnetism
Electricity
Which of the following is the best example of static electricity?
clothes getting stuck together in a dryer
a light bulb turning on with a switch
a doorbell ringing when it is pressed
using a computer to search the internet
What type of electric circuit only has ONE path for the electricity to flow?
series
parallel
open
none of the above
Which is an example of static electricity?
Neutrons are located in the center of an atom
A light bulb turns on when the circuit is closed
An electromagnet picks up metal objects
a boy shocks his sister after sliding his feet across the carpet
What is the build up of electrical charges in one place called?
neutrons
static electricity
insulator
conductor
The balloons will repel each other.
The balloons will attract each other.
The balloons will become positively (+) charged.
The balloons will pop.
The doorknob sends a burst of electric current into your body
Millions of electrons go from your finger into the doorknob
The doorknob sends millions of electrons into your finger
our finger becomes negatively charged
a buildup of neutrons
harmless
a high-voltage electric current
a large discharge of static electricity
opposite charges
like charges
light energy
electrical energy
chemical energy
mechanical energy
A triple beam balance measuring an object’s mass
A pencil sharpener plugged into a wall outlet
A projector displaying a diagram on the screen
A working flashlight used to light up a dark corner
solar
light
thermal
mechanical
thermal -> electrical
mechanical -> electrical
chemical -> mechanical
mechanical -> electromagnetic
