Scientific Observations

question 63

Multiple Choice

Scientific observations

• A)require a special set of skills.
• B)are the first step in collecting data.
• C)have to be systematic.
• D)All of these choices are correct.

---

Definitions:

Tectonic Plates

Massive sections of Earth's lithosphere that move, interact, and change over time, significantly influencing the planet's geological features.

Plate Tectonics

The scientific theory that explains the movements of the Earth's lithospheric plates and the phenomena that occur at their boundaries, like earthquakes and volcanic activity.

First Major Extinction

Refers to the Ordovician-Silurian extinction event, which is believed to be the first of the five major extinction events in Earth's history, occurring approximately 443 million years ago.

Epoch

A division of time that is smaller than a period and greater than an age, used in geology to describe sections of the geologic timescale.