Podcast
Questions and Answers
Which form of energy is primarily associated with the movement of an object?
Which form of energy is primarily associated with the movement of an object?
- Kinetic energy (correct)
- Thermal energy
- Light energy
- Chemical energy
Electrical energy is primarily transported through power cables from power stations.
Electrical energy is primarily transported through power cables from power stations.
True (A)
When fuels are burned, stored chemical energy is released as thermal and ______ energy.
When fuels are burned, stored chemical energy is released as thermal and ______ energy.
light
Which of the following releases stored chemical energy as electrical energy when in use?
Which of the following releases stored chemical energy as electrical energy when in use?
A dimmer object emits more light energy than a brighter object.
A dimmer object emits more light energy than a brighter object.
What type of energy is produced when an object vibrates?
What type of energy is produced when an object vibrates?
Which of the following best describes the relationship between the strength of an object's vibration and the sound energy it produces?
Which of the following best describes the relationship between the strength of an object's vibration and the sound energy it produces?
A hotter object emits more ______ energy than a cooler object.
A hotter object emits more ______ energy than a cooler object.
Match the energy form with its description:
Match the energy form with its description:
Name three sources where chemical energy can be stored.
Name three sources where chemical energy can be stored.
Flashcards
Thermal energy
Thermal energy
Energy possessed by an object due to its temperature. A hotter object emits more of this energy.
Light energy
Light energy
Energy that is visible to the human eye; emitted by bright objects.
Sound energy
Sound energy
Energy produced by vibrating objects.
Kinetic energy
Kinetic energy
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Electrical energy
Electrical energy
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Chemical energy
Chemical energy
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Study Notes
Energy Changes
- There are different forms of energy.
Thermal Energy
- A hotter object emits more thermal energy.
Light Energy
- A brighter object emits more light energy.
Sound Energy
- Sound is emitted when an object vibrates.
- Stronger vibrations emit more sound energy.
Kinetic Energy
- A moving object has kinetic energy.
- Faster movement results in more kinetic energy.
Electrical Energy
- Electrical energy is transported through power cables from power stations to homes.
Chemical Energy
- Chemical energy is stored in food, fuels, and dry cells.
- Burning fuels releases stored chemical energy as thermal and light energy.
- Dry cells release stored chemical energy as electrical energy when in use.
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