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WorksheetsEnergy Unit!
Total questions: 55
Worksheet time: 30mins
Which forms of energy are potential?
CE
EE
SE
ELE
TE
What type of energy is stored in a stretched rubber band?
Gravitational potential energy
Chemical energy
Elastic energy
Electrical energy
You kick a soccer ball with a mass of 2 kg. The ball leaves your foot with a speed of 3 m/s. How much KE does it have?
KE = 21 ⋅m⋅v2
9 joules
18 joules
6 joules
12 joules
Which of the following is an example of kinetic energy?
A book sitting on a table
Water held behind a dam
A rolling bowling ball
A compressed spring
A tennis ball is dropped, bounces off the ground, and is caught. Choose the corrent sequence of energy transformations.
GPE→EE→KE→GPE
GPE→KE→EE→KE→GPE
GPE→KE→EE→GPE
A tennis ball is dropped, bounces off the ground, and is caught. Which statements are true?
SE is transferred to the surroundings
TE is transferred to the surroundings
Some of the energy in the ball is transformed to TE
Some of the energy in the ball is transformed to CE
GPE is transferred to the surroundings
When a baseball is hit with a bat...
SE is transferred to the surroundings
KE is transformed to SE in the ball
During photosynthesis, what type of energy transformation occurs?
Thermal to electrical
Chemical to electrical
Light to chemical
Electrical to thermal
Energy cannot be created or destroyed, but it can be transformed into a different form OR transferred to a different object.
False
True
Electrical energy is the flow of electrons. Electrons flow easier through...
conductors like copper.
insulators like rubber.
conductors like rubber.
insulators like copper
What type of energy is a measurement of the sum of KE of an objects particles?
Thermal energy
Electrical energy
Chemical energy
Elastic energy
Which form of energy is stored in food and fuels?
Thermal energy
Electrical energy
Chemical energy
Elastic energy
What effects the amount of elastic energy in an object?
Rigidity
Deformation (stretching/compression)
Mass
Temperature
Which of the following is a form of energy that an object has due to its motion?
Potential energy
Kinetic energy
Chemical energy
Nuclear energy
What type of energy transfer is primarily responsible for the Earth's weather patterns?
Conduction
Convection
Radiation
Insulation
What type of potential energy does a ball have when it is held above the ground?
Elastic potential energy
Chemical potential energy
Gravitational potential energy
Nuclear potential energy
Which of the following is an example of energy conservation in a closed system?
A car engine converting chemical energy into motion
A light bulb transforming electrical energy into light
A pendulum swinging without any air resistance
A battery losing charge over time
Objects slow down because energy is transferred to the surroundings.
False
True
In a coal burning power plant, coal is burned to heat water and create steam that moves a turbine connected to a generator. Choose all true statements.
CE in the coal increases TE of the water
ME (KE) of steam causes the turbine to have ME (KE)
ME (KE) of the turbine and generator creates ELE to be transferred to homes
TE in the coal is creates ELE in the turbine.
What is the energy stored in the bonds between atoms and molecules called?
Nuclear energy
Thermal energy
Chemical energy
Elastic energy
All objects have...
CE
EE
ELE
TE
ME (KE)
A tree is being cut down. There is a small branch that weighs 3 pounds and large piece of the trunk that weighs 80 pounds. Both pieces of wood have the same temperature. Which statement is true?
The branch has more TE than the piece of trunk.
The branch has less TE than the piece of the trunk.
The branch and piece of trunk have the same amount of TE.
What type of energy is stored in a compressed spring?
Chemical energy
Gravitational potential energy
Elastic energy
Thermal energy
What type of energy is involved when solar power is used to generate electricity?
Chemical energy
Thermal energy
Light energy
Nuclear energy
What type of energy transformation occurs when a car engine converts gasoline into motion?
Chemical to mechanical
Thermal to electrical
Light to chemical
Electrical to thermal
Select all answers that are true about sound waves:
Sound waves are...
the coordinated back and forth movement of particles.
atoms and molecules that move away from the source of a sound.
transferred through matter.
not transferred through matter.
When building a marble roller coaster, why did all the coasters have a starting point that was also the highest point in their track?
The high starting point provided the most GPE which would convert into more KE to make it through the track.
The high starting point provided the most KE which would convert into more GPE to make it through the track.
The high starting point gave the most provided the least amount of energy transferred to its surroundings.
CE is transformed into other types of energy through a ...
new substance.
chemial reaction
temperature increase.
circuit
An objects CE is influenced by...
it's mass.
the type of substance.
temperature.
the state of matter.
Batteries contain...
CE
ELE
SE
LE
As an object falls, what happens to KE?
It increases
It decreases
It stays the same
What factors affect electrical energy?
An energy source
A closed conducting circuit
Temperature
Mass
Rigidity
What influences kinetic energy?
Mass
Speed
Density
Elevation
Which bowling ball has the most kinetic energy?
An 8 pound bowling ball moving at 2 mph
A 16 pound bowling ball moving at 2 mph
A 16 pound bowling ball moving at 8 mph
An 8 pound bowling ball moving at 8 mph
On a cold day in January, you bring a snowball into the school and watch it melt. The snowball gained thermal energy. Where did this TE come from?
The air inside the school
The air inside the school and the snow.
The air outside.
The TE was already inside the snowball.
A swing has potential energy if
it is sitting still
moving at a constant speed
accelerating at a fast pace
unhooked and laying on the ground
What energy transformations take place when a battery operated radio is in use?
electrical to chemical to sound
thermal to sound to electrical
chemical to electrical to sound
chemical to sound to thermal
According to one of our scientific principles (Law of Conservation of Energy), energy cannot be ______ or _______
destroyed, determined
created, nuclear
destroyed, remade
created,destroyed
What type of energy is represented in the picture?
potential
chemical
thermal
mechanical
Turning on a lamp is an example of energy transfer. Which of these is NOT a form of energy present in the lamp?
thermal
electrical
chemical
light
Which of the following transfers occurs when food is digested?
Chemical to light
Mechanical to thermal
Mechanical to solar
Chemical to thermal
Plants turn_______ energy into _______ energy for food.
thermal, mechanical
light, chemical
mechanical, light
potential, kinetic
Gravitational potential energy depends on the______ and ______ of the object.
force, energy
speed, height
mass, speed
height, mass
The roller coaster cart has the most gravitational potential energy at position
Z
Y
W
X
A stretched rubber band has which kind of energy?
Elastic
Kinetic
Electrical
Chemical
The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all types of energy except-
light
thermal
mechanical
chemical
Moving parts of a machine have ______energy.
radiant
light
electrical
mechanical
On a rollercoaster, where is maximum kinetic energy?
At the top of the big hill
At the bottom of a big hill
On the way up a big hill
At the top of the hill ,where the car stops for a brief moment
Which of the following energy transfers occur when a lamp that is plugged into the wall outlet and turned on.
electrical to light
chemical to light
chemical to electrical
electrical to thermal
Which of the following device transforms electrical energy into mechanical energy?
a fan
a manually operated pencil sharpener
a bicycle
an iPhone 15
What type of energy transformation in an electric hot plate is plugged in?
electrical to light
mechanical to electrical to light
thermal to mechanical to light
electrical to thermal
The roller coaster cart has the most kinetic energy at position
X
W
Y
Z
Which situation identifies the energy transfer from your chromebook (not plugged in) to you when you have your headphones plugged in listening to music?
chemical to electrical to sound
chemical to thermal to sound
mechanical to sound to electrical
chemical to sound to electrical
A hairdryer converts-
chemical to electrical
electrical to thermal
electrical to light
thermal to mechanical to light
What type of energy transfer occurs when a hawk eats a mouse then uses the energy from the mouse to fly?
mechanical to potential
mechanical to chemical to thermal
chemical to mechanical
chemical to thermal to kinetic
