Geological Time Scale Worksheet

Review the key concepts related to the geologic time scale through these assessment resources. In this geological time worksheet student use a geologic time scale to understand the difference between eons eras and periods.

Geologic Time Scale Read Earth Science Ck 12 Foundation

Then students complete 2 short answer questions.

Geological time scale worksheet. The geologic time scale is divided into 3 eons and each eon is subdivided into eras. To understand evolution humans must think in units of time much larger than those we use to define our lives. Eras are then subdivided into periods which are further separated into epochs.

The geologic time scale is the calendar for events in earths history. Animal life can be shown on a geologic time scale. Fill in the data table to show the number of millions of years each era lasted.

You can study offline by printing the worksheet or. Some of the worksheets displayed are work the geological time scale the geological time scale geological timeline activity paleontology lesson its a matter of time dawn wagner geological timeline week 6 geological timeline investigating the past using a geologic time scale. After all evolutionary change occurs too slowly to be measured in days months or years.

In descending order of duration are eons eras periods and epochs. To keep all of the events in order geologists have created the geologic time scale. O mesozoic paleozoic neoproterozoic cretaceous mesoproterozoic jurassic paleoproterozoic neoarchean vesoarchean devonian paleoarchean caarchean.

The geological time scale the ideas of superposition and evolution provide the basis of the geological time scale which was developed in a somewhat random fashion mostly in europe during the 19th century. Each of the 5 questions on the activity sheet is worth 20 points. Once you find your worksheet click on pop out icon or print icon to worksheet to print or download.

Worksheet will open in a new window. Geologic time scale worksheet answer key 1 period. Students are able to make observations regarding the complexity of the fossils as we move through the geologic time scale from precambrian time to present and draw a conclusion based on their observations.

It subdivides all time since the end of the earths formative period as a planet nearly 4 billion years ago into named units of abstract time. The divisions of geologic time percent millions of years the age of the earth 100 4600 my cenozoic era 15 66 my mesozoic era 4 185 my paleozoic era 65 291 my precambrian time 88 4058 my 2. Round percents to nearest 5 to make sure they add up to 100.

It is a worldwide scale developed by correlation of fossils from all around the world. It is based the fossil record discussed above. Geological timeline activity significant developments and extinctions of plant and.

Geologic Time Scale The No Adding Machine Tape Annotated