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Which of the following is NOT a source of chemical energy?
a rolling ball
The lightbulb is connected to a circuit that allows electrical energy to flow through it.
remained the same when it turned into another type of energy.
thermal energy.
television
mechanical energy.
decrease the number of batteries
radiation
The purpose of a simple electric motor is to transform electrical energy into
a rolling ball
The lightbulb is connected to a circuit that allows electrical energy to flow through it.
remained the same when it turned into another type of energy.
thermal energy.
television
mechanical energy.
decrease the number of batteries
radiation
According to the Law of Conservation of Energy, in all energy transformations, the total amount of energy
a rolling ball
The lightbulb is connected to a circuit that allows electrical energy to flow through it.
remained the same when it turned into another type of energy.
thermal energy.
television
mechanical energy.
decrease the number of batteries
radiation
A pot can be heated when it is held over a fire. In the same way, the Earth is heated by the Sun. This is an example of which type of heat transfer?
a rolling ball
The lightbulb is connected to a circuit that allows electrical energy to flow through it.
remained the same when it turned into another type of energy.
thermal energy.
television
mechanical energy.
decrease the number of batteries
radiation
When it becomes part of an electrical circuit, which of the following items has the ability to transform electricity into sound?
a rolling ball
The lightbulb is connected to a circuit that allows electrical energy to flow through it.
remained the same when it turned into another type of energy.
thermal energy.
television
mechanical energy.
decrease the number of batteries
radiation
Which of the following is NOT a way to increase the strength of an electromagnet?
a rolling ball
The lightbulb is connected to a circuit that allows electrical energy to flow through it.
remained the same when it turned into another type of energy.
thermal energy.
television
mechanical energy.
decrease the number of batteries
radiation
The temperature inside a room is about 20 degrees Celsius; however, it is snowing outside. People inside the room are able to stay warm because they have transformed electrical energy into
a rolling ball
The lightbulb is connected to a circuit that allows electrical energy to flow through it.
remained the same when it turned into another type of energy.
thermal energy.
television
mechanical energy.
decrease the number of batteries
radiation
The lightbulbs in our classroom turn on by the flick of a switch. Which of the following explains why this happens?
a rolling ball
The lightbulb is connected to a circuit that allows electrical energy to flow through it.
remained the same when it turned into another type of energy.
thermal energy.
television
mechanical energy.
decrease the number of batteries
radiation
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