science final exam
Terms
undefined, object
copy deck
- mass
- kilograms
- magnetic field
- surrounds a magnet and exerts a magnetic force onto other images
- current
- ampere
- inertia
- the tendency of an object to resist a change in motion:all objects have this
- electromagnet
- magnet created by wrapping a current carrying wire around
- compressional wave
- a wave in which matter moves back and forth in the direction the wave is moving
- pitch
- the highness or lowness of sound
- solute
- substances that dissolve into a solution
- refraction
- a wave bends as it moves from one medium to another
- momentum
- Kg mls
- distance
- (kilo)meter
- acids
- contain hydrogen,produce hydronium ions
- loudness
- human perception of the energy a wave carries
- displacement
- the measure from start-end;including direction
- voltage
- a measure of potential available in a complete circuit
- wavelength
- the distance between a point on a wave and the point on the next wave
- compression
- squeezing a group of particles in a wave
- reflection
- the action of a wave bouncing off an object
- wave
- a rythmic disturbance that carries energy:moves at right angles to the direction the wave is moving
- amplitude
- the distance from the crest or trough of a wave to the rest position
- momentum
- a measure of how hard it is to stop a moving object
- alloy
- a solid-solid solution containing two metals
- magnetic domain
- group of atoms with aligned magnetic poles
- compression
- the most dance area of (com)wave
- mechanical wave
- a transverse or compressional wave that can travel only through matter
- thermal energy
- energy from hot objects (candle)
- rarefaction
- less dense part of compressional wave
- transverse wave
- a mechanical wave in which matters wave is moving
- speed
- meter per second
- reverberation
- repeated echoes of sound
- kinetic energy
- energy due to motion (bowling ball rolling)
- mixtures
- combinations of substances that can be seperated by physical process
- doppler effect
- the change in frequency of a sound due to motion of sound
- nuclear energy
- energy stored in nucleus of atoms (power plant)
- force
- newtons
- chemical energy
- energy stored in bonds between atoms (hamburger)
- echo
- a reflected sound wave
- diffraction
- the bending of a wave around a barrier
- resistance
- ohm
- dissolution
- the process of forming a solution
- potential energy
- stored in object because of position (lamp on shelf)
- aqueous solutions
- solutions in which water is the solvent; they dissolve in water
- acceleration
- meter per second squared
- neutralization
- interaction that occurs between acids and bases
- bases
- substances that produce hydroxide ions when needed
- diffraction
- a wave bends around a barrier
- generator
- uses magnetism to produce electric power
- frequency
- the number of waves passing a given point per second
- electrical potential
- volts
- compressional wave
- a wave in which the particles trowel in the same direction of the wave
- rarefaction
- a region of spread out particles in a wave
- radiant energy
- energy of light
- alternating current
- current that changes direction
- interference
- when waves combine with each other
- friction
- almost all-objects are stopped by friction
- force
- a push or a pull
- wavespeed
- the product of wavelength and frequency
- electromagnetic wave
- a wave that doesn't require matter to transfer energy
- medium
- the matter through which a wave transfers energy
- power
- watts
- State the Law of Conservation of Momentum
- when two objects collide they stay at the same speed
- decibel
- the unit to measure the energy or intensity of sound