Pregunta 1
Pregunta
Choose of the following types of potential energy:
Respuesta
-
Sound Energy
-
Thermal Energy
-
Stored Mechanical Energy
-
Gravitational Energy
-
Radiant Energy
-
Chemical Energy
-
Nuclear Energy
Pregunta 2
Pregunta
When matter or an object is in motion, we say it is using ________ energy.
Respuesta
-
Potential
-
Kinetic
-
Nuclear
-
Chemical
Pregunta 3
Pregunta
A swing has potential energy if it is
Respuesta
-
Swinging backwards
-
Swinging up
-
Sitting still
-
In motion
Pregunta 4
Pregunta
Which lists items that ONLY represent chemical energy?
Respuesta
-
Batteries, bananas, gasoline
-
Apple, sunlight, wood
-
Bicycle, coal, straw
-
Electricity, batteries, sound
Pregunta 5
Pregunta
A bicycle, stroller, and classroom door represent [blank_start]mechanical[blank_end] energy.
Respuesta
-
mechanical
-
chemical
-
radiant
-
nuclear
Pregunta 6
Pregunta
What energy transformation is taking place in this picture?
Respuesta
-
Electrical to mechanical
-
Mechanical to nuclear
-
Thermal to radiant
-
Radiant to chemical
Pregunta 7
Pregunta
The movement of atoms and molecules in matter creates warmth. What do we call that specific type of energy?
Respuesta
-
Nuclear Energy
-
Thermal Energy
-
Chemical Energy
-
Solar Energy
Pregunta 8
Pregunta
Solar energy pass through the solar panel on this calculator to make it work. Which energy conversion is taking place?
Respuesta
-
Radiant to electrical
-
Electrical to chemical
-
Nuclear to thermal
-
Mechanical to electrical
Pregunta 9
Pregunta
At which point is the kinetic energy the greatest?
Respuesta
-
At the first dot from left to right.
-
At the last dot from left to right.
-
At the third dot from left to right.
-
At the sixth dot from left to right.
Pregunta 10
Pregunta
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.
Pregunta 11
Pregunta
At what point does the coaster have the greatest potential energy?
Pregunta 12
Pregunta
Answering your cell phone transforms the chemical energy in your battery into which of the following (choose all that apply):
Respuesta
-
Radiant energy
-
Chemical energy
-
Sound energy
-
Nuclear energy
Pregunta 13
Pregunta
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?
Respuesta
-
Nuclear--> mechanical--> chemical --> electrical
-
Thermal --> nuclear --> mechanical --> electrical
-
Mechanical--> thermal--> nuclear --> electrical
-
Nuclear--> thermal--> mechanical--> electrical
Pregunta 14
Pregunta
The [blank_start]Law of Conservation of Energy[blank_end] states that energy can never be created or destroyed, only transferred to different forms.
Pregunta 15
Pregunta
A hairdryer converts
Respuesta
-
electrical energy into chemical energy
-
electrical energy into thermal energy
-
chemical energy into mechanical energy
-
thermal energy into mechanical energy
Pregunta 16
Pregunta
When you light a fireplace, the chemical energy changes into [blank_start]thermal[blank_end] energy.
Respuesta
-
thermal
-
nuclear
-
electrical
-
mechanical
Pregunta 17
Pregunta
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.
Respuesta
-
Electrical
-
Thermal
-
Kinetic
-
Sound
Pregunta 18
Pregunta
Which of the following is the "Law of Conservation of Energy"?
Respuesta
-
Energy can be created or destroyed but cannot be transformed.
-
Energy cannot be created or destroyed and cannot be transformed.
-
Energy cannot be created or destroyed but can be transformed.
-
Energy can be created, destroyed, and transformed.
Pregunta 19
Pregunta
When the space shuttle launched, Donna felt the heat produced. Which form of energy was released in the launch that Donna is referring to?
Respuesta
-
Kinetic
-
Sound
-
Light
-
Thermal
Pregunta 20
Pregunta
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.
Respuesta
-
chemical
-
mechanical
-
radiant
-
sound