These two activities are great for your unit on geologic time and changes throughout Earth's history! Choose to do one or both.

Activity 1: Use this quick activity to have students predict the sequence of events in Earth's history on a blank timeline. Plan for this activity to take around 20 minutes. This worksheet is not editable.

Activity 2: Students will be given a 5 meter strip of adding machine tape, and create a timeline showing the sequence of events in Earth's history. You will need to provide long strips of paper and meter sticks. Plan for this activity to take 45-55 minutes. This worksheet is fully editable.