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Vocab List 8
Science Vocabulary 8
Question | Answer |
---|---|
Transverse waves | Mechanical waves in which the particles of matter vibrate by moving perpendicular to the direction the wave travels. |
Longitudinal waves | mechanical waves in which particles of matter vibrate by pushing together and moving apart parallel to the direction in which the wave travels. |
Mechanical waves | require the particle of the medium to vibrate in order for energy to be transferred. |
Inference | explanation of data that is based on facts and prior knowledge. |
Slinky spring | tool used to model waves |
Fossil | preserved remains or traces of an organism that lived in the past – usually more than 10,000 years ago. |
Precambrian | the name given to the earliest span of time in Earth history. |
Geologic time | scale that divides Earth’s history into units of time |
Primary waves | longitudinal earthquake waves that travel the fastest, out from the focus of the earthquake |
Secondary waves | transverse earthquake waves that can only move through solid rock |