Found 3 resources for the concept:
Life has been on Earth for billions of years.
How Did Plants Change Our Planet?
Grade Level(s):
- 3-5
- 6-8
- 9-12
Source:
- California Academy of Sciences
Resource type:
- Video
Time: 5 minutes
Overview
Botanist Dr. Nathalie Nagalingum explains how, more than 400 million years ago, early plants played a notable role in adjusting Earth's physical surface as well as our planet's climate. She meets with paleobotanist Dr. Cindy Looy to discuss the evidence that scientists currently have to support her story.
How Much is a Billion
Grade Level(s):
- 3-5
- 6-8
Source:
- Monk, Anne
Resource type:
- Classroom activity
Time: Variable
Overview
In this activity, students get a sense of how big a billion really is, which is necessary in order to understand deep time.
Understanding Geologic Time
Grade Level(s):
- 3-5
- 6-8
- 9-12
Source:
- UC Museum of Paleontology
Resource type:
- Online activity or lab
Time: One class period.
Overview
A web-based module in which students gain a basic understanding of geologic time, the evidence for events in Earth's history, relative and absolute dating techniques, and the significance of the Geologic Time Scale.