Podcast
Questions and Answers
Energy is the ability to cause ______ or do work.
Energy is the ability to cause ______ or do work.
change
Kinetic energy is energy due to ______.
Kinetic energy is energy due to ______.
motion
The ______ potential energy depends on an object's weight and height.
The ______ potential energy depends on an object's weight and height.
gravitational
Elastic energy is energy stored in an object when it is ______ or stretched.
Elastic energy is energy stored in an object when it is ______ or stretched.
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All objects and materials are made of particles that are always ______.
All objects and materials are made of particles that are always ______.
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Flashcards
Energy
Energy
The ability to cause change or do work.
Kinetic Energy
Kinetic Energy
Energy due to the motion of an object.
Potential Energy
Potential Energy
Energy stored in an object when not moving.
Gravitational Potential Energy
Gravitational Potential Energy
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Thermal Energy
Thermal Energy
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Study Notes
Energy
- Energy is the ability to cause change or do work.
Kinetic Energy
- Kinetic energy is energy due to motion.
- Kinetic energy depends on speed: faster speed = more kinetic energy; slower speed = less kinetic energy.
- Kinetic energy also depends on mass.
Potential Energy
- An object has energy when it's not moving, called potential energy.
- Types of potential energy include gravitational, elastic, and chemical.
Gravitational Potential Energy
- Gravitational potential energy depends on object weight and height.
- It's the energy stored between an object and Earth.
Elastic Potential Energy
- Elastic energy is stored in an object when it's compressed or stretched.
Chemical Potential Energy
- Chemical potential energy is released during chemical reactions.
Energy Transfer
- Energy can be transferred by doing work.
Mechanical Energy
- Mechanical energy is the total energy of an object (or group) due to large-scale motion and interactions (e.g., roller coasters).
Sound Energy
- Sound energy is produced when objects vibrate (e.g., a guitar string).
Thermal Energy
- Thermal energy is due to the motion of particles in an object.
- Heating objects transfers thermal energy to them.
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Description
Explore the fundamental concepts of energy, including kinetic and potential energy. Understand how energy influences motion, work, and various types of potential energy such as gravitational, elastic, and chemical. Test your knowledge on energy transfer and mechanical energy.
