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