science ch 12
Terms
undefined, object
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- heat energy
- thermal energy that moves between objects
- Moves faster
- what happens when an object gains thermal energy
- ice
- has slow moving particles
- conductors
- metal objects
- insulators
- plastic, wood, rubber
- vibrations
- how all sound begins
- vibration
- to move back and forth
- volume
- how loud something is
- air
- form of matter that sound travels the slowest through
- solid
- form of matter that sound travels the fasted through
- Pitch
- low or high sounds
- reflection
- when light bounces off an object
- refract
- to bend light
- black
- absorbs all the light
- prism
- a piece of glass that refracts light
- opaque
- any solid object, does not allow light through
- electric charge
- a property of matter (positive and negative)
- static electricity
- build up of electrical charges ( gives you a shock)
- contracts
- when an object get smaller and colder
- expand
- when an object get larger and warmer
- light
- a form of energy
- absorbed
- light that is taken in by an object
- transparent
- allow light to pass right through/ clear
- translucent
- allows some light to pass through not clear
- shadow
- a dark space that forms when light is blocked
- electric current
- the flow of charged particles
- circuit
- a path that is made of parts that work together to allow a current to flow.