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Vocab. 14 Word Scramble

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Created by: devash23

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Question	Answer
Era	Unit of time that is dividede into periods
Period	Historical time that can be divided into epochs
Geologic time	Time Scale that divides Earth's history into units of time. It is a record of the major events and diversity of life forms present in Earth's history.
Qualitative Observations	Observations that involve the 5 senses and refer to specific properties.
Quantitative Observations	Observations that involve numbers, measurment, or relative comparisons.
Primary (P) Waves	The fastest earthquake waves, they travel out from the earthquake focus. they create longitudinal waves.
Secondary (S) Waves	Slow Earthquake waves that can cause the ground to shake. They form when P and S waves reach the surface of the Earth.
Transverse Waves	Mechanical waves where the particles of mater vibrate by moving back and forth, and perpendicular to the direction the wave travels.
Longitudinal Waves	Mechanical waves where the particles of matter vibrate by pushing together and pulling apart, parallel to the direction of the wave.