Energy Unit 2. Sound Energy that can be heard.Energy that can be heard. Caused when things...
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Transcript of Energy Unit 2. Sound Energy that can be heard.Energy that can be heard. Caused when things...
![Page 1: Energy Unit 2. Sound Energy that can be heard.Energy that can be heard. Caused when things vibrateCaused when things vibrate.](https://reader035.fdocuments.in/reader035/viewer/2022062802/56649ea95503460f94bacafb/html5/thumbnails/1.jpg)
EnergyEnergy
Unit 2Unit 2
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SoundSound
• Energy that can be Energy that can be heard.heard.
• Caused when Caused when things vibratethings vibrate
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PitchPitch
• How high or how How high or how low a sound islow a sound is
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VolumeVolume
• The loudness or The loudness or softness of a softness of a soundsound
![Page 5: Energy Unit 2. Sound Energy that can be heard.Energy that can be heard. Caused when things vibrateCaused when things vibrate.](https://reader035.fdocuments.in/reader035/viewer/2022062802/56649ea95503460f94bacafb/html5/thumbnails/5.jpg)
LightLight
• A form of energy A form of energy that lets you see that lets you see things-things-
• Example: colorExample: color
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ReflectReflect
• To bounce back, To bounce back, like light from a like light from a mirrormirror
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AbsorbAbsorb
• To take something To take something inin
• Example: colors Example: colors can be absorbed or can be absorbed or reflectedreflected
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HeatHeat
• A form of energy A form of energy that makes things that makes things warmer.warmer.
• Most heat on Earth Most heat on Earth comes from the comes from the sun.sun.
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ConductorConductor
• An object that lets An object that lets heat or electricity heat or electricity go through easily.go through easily.
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InsulatorInsulator
• An object that does An object that does not let heat or not let heat or electricity go electricity go through easilythrough easily
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ElectricityElectricity
• A form of energy A form of energy that can be used to that can be used to make heat and make heat and light, and to power light, and to power machinesmachines
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CircuitCircuit
• A path for an A path for an electric currentelectric current
• Often shown in a Often shown in a diagram with a diagram with a battery, bulb, and battery, bulb, and wireswires
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Open CircuitOpen Circuit
• When the path of When the path of electricity is electricity is broken and the broken and the light does not light does not come oncome on
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Closed CircuitClosed Circuit
• When the path of When the path of electricity is electricity is complete and the complete and the light comes onlight comes on
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SwitchSwitch
• A device for A device for turning on or off turning on or off electricity or an electricity or an electric currentelectric current