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19 Cards in this Set
- Front
- Back
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refract
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bending of light waves
pencil/water |
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reflect
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bounce off light wave
mirror |
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concave
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thinner in the center and thicker on edge
bowl |
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convex
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thicker in center, thinner at edge
half of a ball |
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light energy
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energy that travels in straight line called rays, illuminates objects.
flashlight |
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sound
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energy that is produced when matter vibrates
talking |
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vibrates
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rapid back and forth motion
bell |
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circuit
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complete path that electric current moves through
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current
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flow or movement of energy in a certain path.
electricty in wire |
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electricity
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energy produced when charged particles move from one place to another
light switch to light bulb |
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magnetism
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force of a magnet pulls iron/steel towards itself
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magnetic field
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space around a magnet where magnetic force attracts iron/steel
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electromagnet
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steel bart with wire wrapped around it that becomes magnet when electric current moves through the wire
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electromagnetism
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interaction electicity and magnetism
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series circuit
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electric circuit which all the devices are connected one after another so current flows in a single path
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parallel circuit
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electrical circuit which each device is connected sparately to the cell so the current travels in several paths
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transparent
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light energy passes through
window |
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translucent
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lets some light pass through
wax paper |
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opague
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lets very little to no light pass through--black
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