Search Header Logo
Geologic Time and Life Forms

Geologic Time and Life Forms

Assessment

Interactive Video

Science, Biology, Geography

6th - 7th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video explains the geologic timescale, a chart used by geologists to understand Earth's 4.6 billion-year history. It breaks down Earth's history into eons, eras, periods, and epochs. The Hadean eon marks Earth's formation, followed by the Archean with the formation of continents and early life. The Proterozoic sees the rise of complex cells. The Phanerozoic, starting 500 million years ago, includes the Paleozoic, Mesozoic, and Cenozoic eras, characterized by diverse life forms. The video concludes with a mention of the Anthropocene, a proposed new period due to human impact.

Read more

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many birthdays has Earth celebrated according to geologists?

4.6 million

46 billion

4.6 billion

46 million

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first eon in the geologic timescale?

Phanerozoic

Archean

Proterozoic

Hadean

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During which eon did life begin to form in the oceans?

Proterozoic

Archean

Hadean

Phanerozoic

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What significant development occurred during the Proterozoic eon?

First human appearance

Dinosaur extinction

First complex cells

Formation of the Moon

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which era is known for the explosion of new and diverse life forms?

Paleozoic

Mesozoic

Cenozoic

Proterozoic

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the term 'Mesozoic' refer to?

Old life

New life

Middle life

Visible life

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which era is characterized by the presence of dinosaurs?

Proterozoic

Paleozoic

Mesozoic

Cenozoic

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?