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11 Cards in this Set
- Front
- Back
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conductor
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A material, such as metal, that heat moves through easily.
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insulator
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A material, such as wool, cotton, or fur, that heat does NOT move through easily.
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heat
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a form of thermal energy that moves between objects
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Expands
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When heat flows through an object it gains thermal energy. The temperature goes up and the particles move faster. The object gets BIGGER
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Contracts
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When heat flows away from an object it loses thermal energy. Its particles move slowly and the object gets smaller
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vibrations
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all sound begins when something vibrates or moves quickly back and forth
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volume
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how loud a sound is
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vibration
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quick movement back and forth
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gas
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sound travels slowest through this form of matter
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If a cool metal spoon is placed into a bowl of hot soup, what would happen first?
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The spoon would heat up before the soup cooled down because the energy would move from the warmer object to the cooler object.
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How can listening to loud music through headphones possible damage a person's ability to hear?
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Loud sounds have a lot of energy and high energy sounds can damage the delicate parts inside the ear. Over a period of time, this can cause hearing loss
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