energy
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Nonrewable energy sources | Natural gas Oil Petroleum Coal Neuclear
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| What are fossil fuels? | They are forms of biomass - energy from material once living
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| What are two states of energy? | Kinetic Potential
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| What is potential energy | Stored energy
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| What Is kinetic energyl | Energy being used/in motion
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| What forms of energy are there? | Renewable and nonrenewable
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| What is a nonrenewable source | Material or source that cannot be regained
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| What is a renewable source | Material or source that can be reused or found again
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| What is force | The amount of work being put on an object
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| Work | Weight x distance ;
(In joules)
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| Power | Work divide by time. (Joules)
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| What are joules? | A metric system used in calculating force work or power
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| What are newtons? | The standard unit in measuring force
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| What are newton meters? | The unit after calculating power
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| Energy transfer-conversions | When one form of energy is changed / transferred into another
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| What is friction? | Thermal energy created when two objects are in motion ( rubbing)
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| What are the 4 factors | Texture Size Pressure
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| Law of conservation of energy | Energy cannot be created or destroyed
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| Energy in a closed system | A group if objects that only transfer to one another
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| Energy in a open system | A group that can transfer outside its system
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| What are system boundaries | The amount of energy systems an object contains
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| What is a wave | A disturbance that transfers energy from place to place
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| What are transverse waves | A type of wave that move in a perpendicular direction of wave travel
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| What is a longitudinal wave | A type of wave that moves parallel to the direction of wave travels
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| Crest | The highest point of a wave
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| Trough | The lowest point of a wave
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| What is a medium | The material the wave is passing through ( solid liquid gas)
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| Electromagnetic waves | Waves that do not require a medium to travel through
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| Mechanical waves | Waves that require a medium to pass through to travel
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| Vibrations | A repeated motion in a wave
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| What is a wavelength | The amount of space or distance from crest to crest or trough to trough
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| Amplitude | The height of a wave that determines how much energy it carries
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| Pitch | How low or high a sound is caused by the wave
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| Frequency | The number of complete waves that pass given point in a certain amount of time
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| Speed calculations | Waves are calculated in hertz
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| Renewable energy sources | Solar Hydro Wind Geothermal Biomass
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