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WorksheetsEnergy Individual Graded Assignment
Total questions: 20
Worksheet time: 1hrs 9mins
Match the types of Energy.
Gravitational Energy
Stored in an object above ground.
Elastic Energy
Stored in an object that can be stretched or compressed.
Chemical Energy
Stored within bonds of atoms.
Nuclear Energy
Stored within the nucleus of atoms.
What is sound energy?
An example of PE, because energy is stored in sound
An example of KE, because energy is carried through vibrating waves
An example of PE, because energy stored in an atom
An example of KE, because energy travels through electromagnetic waves
Match the types of Energy.
Thermal Energy
Motion of particles
Sound Energy
Motion of vibrating waves
Radiant Energy
Motion of electromagnetic waves
Electrical Energy
Motion of electrons through a wire
Energy of food or fuel
Kinetic
Thermal
Chemical
Energy that moves in waves
Electrical
Sound
Light
Energy of heat
Electrical
Thermal
Kinetic
A lamp that plugs into a wall socket draws energy, which flows through a thin wire in the bulb, causing it to heat up until it glows. What energy transformations are taking place?
Chemical → light → electrical
Mechanical → sound → light
Thermal → solar → electrical
Electrical → thermal → light
An electric pencil sharpener uses electricity to make its motor spin. The pencil sharpener also makes noise and heats up. Which observation of the pencil sharpener demonstrates the law of conservation of energy?
The amount of electrical energy used equals the total amount of mechanical, sound, and thermal energy produced.
The amount of energy used by the electric pencil sharpener is greater than an electric lamp.
The electric pencil sharpener only uses energy when it is being used to sharpen a pencil.
The electric pencil sharpener is easier to use than the older version that was cranked by hand.
In which of the following scenarios would this energy transformation be observed?
chemical → light → heat
Plucking a guitar string
Lighting a match
Turning on a fan
Starting a car
Which of the following is a form of potential energy?
sound energy
chemical energy
mechanical energy
thermal (heat) energy
During energy transformations, energy is never ___.
released as heat
used to increase an object's potential energy
created or destroyed
completely transformed
A baseball is hit into the air with a bat. When does baseball have the greatest gravitational potential energy?
when it hits the ground
when it reaches its highest point
when it leaves the bat
when the mechanical and kinetic energies of the baseball are equal
Which items would have this energy transformation: chemical → mechanical
a candle burning
eating a big breakfast before a race
a ball bouncing
using a hairdryer
When particles are heated they begin to ____.
move faster
mover slower
move up
jump out of the pot
Chemical - electrical - radiant
Chemical - radiant - electrical
Electrical - thermal - radiant
Mechanical - radiant - electrical
