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Vocab 20, 8th grade
Waves and review
| Question | Answer |
|---|---|
| naturally made solid materials that are found on Earth. They are the building blocks of rocks. | Minerals |
| natural fuels that come from the remains of living things. They give off energy when burned. | Fossil fuels |
| where two lithospheric plates slide past each other. Earthquakes occur frequently along this type of boundary. | Transform boundary |
| where two lithospheric plates come together and collide. Mountain ranges can be formed this way. | Convergent boundary |
| forces that are equal and cause no change. The net force = 0. | Balanced forces |
| forces that are not equal and cause an object to change speed and/or direction. Net force = the difference in the two forces. | Unbalanced forces |
| particles of the medium must vibrate in order to transfer energy. Ex: water waves, seismic waves, sound waves & spring waves. | Mechanical waves |
| waves that can travel through a medium or through empty space. Ex: radio waves, microwaves, infrared waves, visible light, uv rays, x-rays. | Electromagnetic waves |
| wave transmission occurs when waves pass through a given point or medium (material). | Transmission |
| occurs when energy is not transferred through or reflected by the given medium. | Absorption |
Created by:
asarvis
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