Geologic Time

CER: ______________,______________,______

• Clain, Evidence. Reasoning

• Claim, Evidence. Reasoning

• Claim, Evidence. Resoning

• Claim, Evdence. Reasoning

A claim is a proposed answer to a question about the natural world.

• True

• False

Mya: _________

• Many years ago.

• Milli years ago.

• Million years ago.

• Milian years ago.

The dying out or disappearance of a species from earth is known as ________.

• extension

• extinction

• existence

• None of the above

Erons are a really, really, super-long, impossible-to-measure length of time.

• True

• False

When a rock is cut by another rock, then it is older than the rock which has cut it is known as ________.

• cross cutting.

• Eons.

• Cutting rations.

• cross-cutting relationships.

An event or a time that begins a new period or development are known as ________.

• epochs.

• eons.

• era.

• Time periods.

_________ is a time period that has more than one eon.

• claim

• Superhero

• Eon

• Supereon

 A long and distinct period of history with a particular feature or characteristic is known as an _______.

• erah

• era

• eon

• None of the above.

Absolute age is the numeric age of a layer of rocks or fossils.

• True

• False