Question

Order these events from oldest (1) to most recent (4).


Dense melted material sank to form the core.


Earth’s gravity captured gases to form the first atmosphere.


Dust, rock, and ice were pulled together by gravity.


Less dense material cooled, hardened, and formed the crust.

Answer 1

1. Dust, rock, and ice were pulled together by gravity.
2. Earth’s gravity captured gases to form the first atmosphere.
3. Dense melted material sank to form the core.
4. Less dense material cooled, hardened, and formed the crust.