Podcast
Questions and Answers
Which of the following is NOT a form of energy mentioned in the lesson?
Which of the following is NOT a form of energy mentioned in the lesson?
- Nuclear energy
- Chemical energy
- Thermal energy
- Gravitational energy (correct)
What energy transformation takes place when a battery powers a flashlight?
What energy transformation takes place when a battery powers a flashlight?
- Nuclear energy to mechanical energy
- Chemical energy to electrical energy, then to radiant energy (correct)
- Chemical energy to thermal energy
- Electrical energy to radiant energy
According to the lesson summary, what is the defining characteristic of energy?
According to the lesson summary, what is the defining characteristic of energy?
- The ability to be conserved
- The ability to create work
- The ability to do work (correct)
- The ability to transform matter
A campfire demonstrates the transformation of what energy form(s) into what other form(s)?
A campfire demonstrates the transformation of what energy form(s) into what other form(s)?
What type of energy is released during nuclear fission?
What type of energy is released during nuclear fission?
Which of the following BEST describes mechanical energy?
Which of the following BEST describes mechanical energy?
Flashcards
Energy
Energy
The ability of a system to do work.
Conservation of Energy
Conservation of Energy
The total amount of energy in the universe is always constant, only changes form.
Forms of Energy
Forms of Energy
Types include thermal, radiant, chemical, electric, nuclear, and mechanical energy.
Energy Transformation
Energy Transformation
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Nuclear Fission
Nuclear Fission
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Mechanical Energy
Mechanical Energy
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Study Notes
Energy Transformations
- Energy is the ability to do work.
- The total energy in the universe is constant, but it transforms between different forms.
- Examples of energy forms include: thermal, radiant, chemical, electrical, nuclear, and mechanical.
Examples of Energy Transformations
- Campfire: Near a campfire, both thermal (heat) and radiant (light) energy are produced.
- Batteries: Chemical energy in batteries is converted to electrical energy.
- Electrical Devices: When a plug is connected to a power supply, electrical energy powers the device and produces other forms of energy, like light, sound, or heat.
- Nuclear Fission: Splitting the nucleus of an atom (fission) releases nuclear energy.
- Mechanical Energy: Objects have potential energy (due to position) and kinetic energy (due to motion).
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