Timeline of Life on Earth

Timeline of Life on Earth

Assessment

Interactive Video

Biology, Science, History

7th - 12th Grade

Hard

Created by

Emma Peterson

FREE Resource

The video compresses Earth's 4.5 billion-year history into a 24-hour day. Life begins at 4 a.m. with single-celled organisms, evolving to multicellular life by 6:30 p.m. Sea plants and animals appear by 8:30 p.m., and land colonization occurs by 10 p.m. Dinosaurs dominate until 11:41 p.m., followed by mammals. Humans emerge in the final minute, with all recorded history fitting into a few seconds. The video is supported by Audible, offering a free audiobook.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How long ago did life on Earth begin according to the video?

2.5 billion years ago

5 billion years ago

3.8 billion years ago

4.5 billion years ago

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At what time in the 24-hour timeline do eukaryotic cells first appear?

8:30 p.m.

6:30 p.m.

1:00 p.m.

4:00 a.m.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When do multicellular organisms start forming colonies?

8:30 p.m.

1:00 p.m.

6:30 p.m.

10:00 p.m.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What significant event occurs just before 10:00 p.m. in the timeline?

First winged insects appear

Emergence of land plants

Appearance of sea plants

Rise of dinosaurs

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which creatures dominate the land after a mass extinction event?

Mammals

Reptiles

Insects

Dinosaurs

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At what time do dinosaurs vanish from the timeline?

10:24 p.m.

11:00 p.m.

11:41 p.m.

11:59 p.m.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When do humans first appear in the 24-hour timeline?

With 30 seconds left

With 1 minute and 17 seconds left

With 2 minutes left

With 5 minutes left

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