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5th Sci ch 3 half
Term | Definition |
---|---|
transparent | describes materials that let nearly all light pass through them |
kinetic energy | energy due to motion (ex. flowing river) |
translucent | describes materials that let some light pass through, but not all like milk jug |
potential energy | energy that is not causing any changes now but could cause changes in the future |
refraction | bending of light |
As the frequency of a sound wave increases | the pitch becomes higher |
when sound waves travel through a material, such as a door | they vibrate the particles in the material |
a beam of light travels | in a straight line |
when light hits the surface of a pool | It slows and bends at the point where it passes from air to water |
oven is | an example of thermal energy |
The tightest string will make the highest sound and | the loosest string will make the lowest sound. |
Light travels in a straight line until ... | it strikes an object. |
opaque | describes materials that do not let any light pass through them like aluminum foil |