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SFS scie final
stack 3
Question | Answer |
---|---|
How is sound produced? | matter vibrates |
mass | amount of matter in an object |
What does friction covert energy of motion into? | thermal energy |
electromagnetic waves | all waves that radiate from the sun |
pitch | how high or low a sound seems |
the distance between a waves midpoint and its crest or through | amplitude |
a form of energy that moves out from a central point | light |
when sound bounces off a smooth surface | echo |
What types of matter can sound pass through? | all states |
How many colors do your eyes need to sense to see the visible spectrum? | red yellow blue |
sound with no regular wave pattern | noise |
pleasant sound with regular wave patterns | music |
amount of energy in a wave | intensity |
allows light to pass through | transparent |
does not allow light to pass through | opaque |
what type of energy is your body's source of energy? | chemical energy |
what does acceleration change | directional speed |
when thermal energy increases what else increases? | temperature |
law of conservation of energy | energy cannot be created nor destroyed |
a wave in which matter vibrates in the same direction as the energy traveling through it | compressional wave |
refers to the number of waves that pass a point in a given amount of time | frequency |
the distance between a point on one wave | wavelength |
examples of kinetic and potential energy | kinetic energy moving potential energy position - car at the top of a hill |
the ability to cause change | energy |
energy contained in the nucleus of an atom | nuclear energy |
energy from separating charges | electrical energy |
energy of light | radiant energy |