Deep Time

Take a trip through time. A lesson resource provides instruction on the origin of current measurements for time. The text explains the different tools humans used throughout history to measure time as well as provides examples such as...

Take your time with this lesson. Junior engineers read about different types of clocks and then work together to build a pendulum time-keeper. There are no hints as to how they might go about accomplishing this complex task, so you may...

Engage your class with a mock National Ocean Sciences Bowl. The first installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography (NEMO) program provides an introduction to the ocean sciences, as well as to the rules of...

"Humans have become a geologic agent comparable to erosion and [volcanic] eruptions ..." Paul J. Crutzen, a Nobel Prize-winning atmospheric chemist. Using Landsat imagery, scholars create a grid showing land use type, such as urban,...

You don't have to be a scientist or even out of high school to contribute to scientific research. In the 12th instructional activity in the series of 21, scholars use this opportunity to add to the growing body of scientific knowledge...

Time, time, time ... see how it shaped an entire culture! Science scholars discover the mysteries of the Mayan and Incan cultures during the fifth video in a History of Science series. The narrator shows how these time keepers developed...

How do scientists know the history of Earth before humans—or any mammals—existed? An epic "Eons" series video explains the larger history of geologic time. It highlights the eons, eras, periods, epochs, and ages scientists use to divide...

Peer review of science laboratory reports? You bet! First, learners work in pairs to review a scientific article. Then they trade lab reports for peer review. The end result is the publication of a classroom scientific journal!

A smart series of videos attempts to describe the relationship between space and time. In this first episode, two educators hold a discussion using slides and a flip-book approach to put the two things together. Make sure to follow this...

Learners investigate the relationship of position with respect to time in a graphical situation and develop an understanding of the slope related to the object in motion. They then use that understanding to create a velocity versus time...