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25 Cards in this Set
- Front
- Back
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heat
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the flow of energy from a warmer object to a cooler object
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thermal energy
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the energy of moving particles of matter
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conductor
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a material that heat moves through easily
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insulator
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a material that heat does not move through easily
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vibrate
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to move back and forth quickly
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sound
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a form of energy that comes from objects that vibrate
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volume
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how loud or soft a sound is
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pitch
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how high or low a sound is
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energy
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the ability to do work
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heat and sound
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are forms of energy
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energy
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when we use this it does not disappear
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heat
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always flows from a warmer object to a cooler one. It can flow thru solids, liquids, gases, and even space
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The Sun
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is the Earth's main source of heat. Most living things could not survive without it.
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sources of heat
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fire, light bulbs, and stoves
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temperature
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is a measure of how hot or cold something is. It describes how much thermal energy an object has.
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thermometer
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a tool used to measure temperature
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conductor
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is a material that heat moves through easily. Metal is a good example of this.
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insulator
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is a material that heat does not move easily through. wool, cotton, and fur are examples of this
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sound
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this travels in waves. These waves can travel through air, liquids, and solids. It does not travel through space.
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sound
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does not travel at the same speed through all materials. It travels slowest through a gas, faster through a liquid, and fastest through a solid.
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amplitude
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is a measure of how much energy a sound wave has. The larger this is, the louder the sound.
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outer ear
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i collect sounds
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wave
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the way that sound travels out in all directions
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eardrum
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i make three tiny bones vibrate
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inner ear
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i am the place where vibrations make nerves send messages to the brain
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