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Electricity charge
magnetism
renewable energy source
wave properties
properties of sound
100
the accumulation of excess electric charge on an object.
What is static electricity
100
refers to the properties and interaction of magnets
What is magnetism
100
an energy source that is replaced nearly as quickly as it is used
What is renewable resource
100
alternating high points, called
What is crests
100
the amount of energy that flows through a certainarea in a specific amount of time.
What is intensity
200
charge can be transferred from object to object, but it cannot be created or destroyed.
What is law of conservation of charge
200
exerts a force on other magnet and object made of magnetic materials
What is magnetic field
200
convests radiant energy from the sun directly into electrical energy
What is photovoltaic cell
200
thisless-dense region of a compressional waves is called
What is rarefaction
200
the human perception of sound inensity
What is loudness
300
a material in which electrons are able to move easily
What is conductor
300
do you notice that the magnetic field lines are closest together at the ends of the bar magnet.
What is magnetic poles
300
electricity produced from the energy of moving water
What is hydroelectricity
300
the distance between one point on a wave and the nearest point just like it
What is wavelength
300
each unit on the scale for sound intensity is called a
What is decibel
400
a material in which electrons are not able to move easily
What is insulator
400
the grops of atoms with aligned magnet poles are called
What is magnetic domain
400
the thermal energy that is contained in hot magma
What is geothermal energy
400
a waveis the number ofwavelegths that pass a fixed point each second.
What is frequency
400
which is how high or low a soundseems to be.
What is pitch
500
the process of transferring charge by touching or rubbing
What is charging by contact
500
what do the same side of a magnet do
What is repel each other
500
is renewable organic matter, such as wood, sugercanefibers, ricehulls, and animal manure.
What is biomass
500
a wave is the amount of time it takes one wavelength to pass a point.
What is period
500
the change in pitch or wave frequency due to a moving wave source is called
What is dopper effect