terrestrial, tectonics, volcanism, erosion, core, mantle - old grade7 vocabulary.
weight, mass - grade 8 vocabulary that will be studied in more detail later this year.
We begin this topic with 3 points that make a planet a planet:
The rocky or terrestrial planets have rocky crusts that experience processes learned in grade 7: erosion, tectonics & volcanism.
They inhabit the Inner Solar System.
They are - in order from the Sun - Mercury, Venus, Earth & Mars.
See the powerpoint for further details.
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