Questão 1
Questão
Choose of the following types of potential energy:
Responda
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Sound Energy
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Thermal Energy
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Stored Mechanical Energy
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Gravitational Energy
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Radiant Energy
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Chemical Energy
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Nuclear Energy
Questão 2
Questão
When matter or an object is in motion, we say it is using ________ energy.
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Potential
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Kinetic
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Nuclear
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Chemical
Questão 3
Questão
A swing has potential energy if it is
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Swinging backwards
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Swinging up
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Sitting still
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In motion
Questão 4
Questão
Which lists items that ONLY represent chemical energy?
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Batteries, bananas, gasoline
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Apple, sunlight, wood
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Bicycle, coal, straw
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Electricity, batteries, sound
Questão 5
Questão
A bicycle, stroller, and classroom door represent [blank_start]mechanical[blank_end] energy.
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mechanical
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chemical
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radiant
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nuclear
Questão 6
Questão
What energy transformation is taking place in this picture?
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Electrical to mechanical
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Mechanical to nuclear
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Thermal to radiant
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Radiant to chemical
Questão 7
Questão
The movement of atoms and molecules in matter creates warmth. What do we call that specific type of energy?
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Nuclear Energy
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Thermal Energy
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Chemical Energy
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Solar Energy
Questão 8
Questão
Solar energy pass through the solar panel on this calculator to make it work. Which energy conversion is taking place?
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Radiant to electrical
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Electrical to chemical
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Nuclear to thermal
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Mechanical to electrical
Questão 9
Questão
At which point is the kinetic energy the greatest?
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At the first dot from left to right.
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At the last dot from left to right.
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At the third dot from left to right.
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At the sixth dot from left to right.
Questão 10
Questão
The energy transformation that is taking place when someone puts gas in their car to make it run is [blank_start]chemical[blank_end] energy to [blank_start]mechanical[blank_end] energy.
Questão 11
Questão
At what point does the coaster have the greatest potential energy?
Questão 12
Questão
Answering your cell phone transforms the chemical energy in your battery into which of the following (choose all that apply):
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Radiant energy
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Chemical energy
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Sound energy
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Nuclear energy
Questão 13
Questão
The purpose of a nuclear power plant is to transform nuclear energy into electricity. This is done in steps starting with a nuclear reaction which generates heat to produce steam. The steam in turn is used to turn a generator which finally produces electricity. Which answer best illustrates these energy transformations?
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Nuclear--> mechanical--> chemical --> electrical
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Thermal --> nuclear --> mechanical --> electrical
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Mechanical--> thermal--> nuclear --> electrical
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Nuclear--> thermal--> mechanical--> electrical
Questão 14
Questão
The [blank_start]Law of Conservation of Energy[blank_end] states that energy can never be created or destroyed, only transferred to different forms.
Questão 15
Questão
A hairdryer converts
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electrical energy into chemical energy
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electrical energy into thermal energy
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chemical energy into mechanical energy
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thermal energy into mechanical energy
Questão 16
Questão
When you light a fireplace, the chemical energy changes into [blank_start]thermal[blank_end] energy.
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thermal
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nuclear
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electrical
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mechanical
Questão 17
Questão
Miguel is making a picture frame. He sticks a nail into a piece of wood and hits the nail with a hammer. Which form of energy is not released when the hammer hits the nail.
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Electrical
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Thermal
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Kinetic
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Sound
Questão 18
Questão
Which of the following is the "Law of Conservation of Energy"?
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Energy can be created or destroyed but cannot be transformed.
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Energy cannot be created or destroyed and cannot be transformed.
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Energy cannot be created or destroyed but can be transformed.
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Energy can be created, destroyed, and transformed.
Questão 19
Questão
When the space shuttle launched, Donna felt the heat produced. Which form of energy was released in the launch that Donna is referring to?
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Kinetic
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Sound
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Light
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Thermal
Questão 20
Questão
A group of sheep are grazing in the field. As they eat, the sheep break down the molecules int he grass, which release energy. The form of energy shown in this example is [blank_start]chemical[blank_end] energy.
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chemical
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mechanical
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radiant
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sound