 |
Java Games: Flashcards, matching, concentration, and word search. |
 |
 |
Sound and Light
Science Unit 4
|
| A | B |
| vibrating objects | make sound |
| trough | lowest part of wave |
| crest | highest part of wave |
| frequency | number of waves that move past one spot in one second |
| pitch | quality of being high or low |
| three small bones | make vibrations larger |
| main parts of ear | 3 |
| three part of ear | outer, middle, inner |
| auditory canal | sound waves move down |
| brain | auditory nerves send signals here |
| larynx | voice begins |
| high voices | short vocal cords |
| low voices | long vocal cords |
| through matter | sound waves travel |
| photons | light is given off |
| rays | light travels in straight lines |
| filament | light from light bulb |
| earth rotates | sunlight during day |
| absorbs light | object has certain color |
| spectrum | all colors of light |
| prism | use to see spectrum |
| lenses | used to bend light |
| concave lens | thinner in middle |
| convex lens | thicker in middle |
| telescopes | used to see far away objects |
| cornea | thin covering of eye |
| pupil | light goes through |
| iris | colored part of eye |
| optic nerve | sends messages to brain |
|
 |
|
|
|
cross-categorical/learning disabilities teacher |
Marshall Junior High School |
| Marshall, IL |
|
|
|
|
|
| |