PBS
Nova: A Brief History of Earth
This timeline is a good resource if you are looking for brief descriptions of the geologic periods. Descriptions include pictures of common organisms for each period and the range of time covered by each period.
National High Magnetic Field Laboratory
Magnet Academy: Timeline of Electricity and Magnetism: 600 Bc 1599
Find out how humans discovered the magnetic lodestone as well as the attracting properties of amber. Advanced societies, in particular the Chinese and the Europeans, exploited the properties of magnets in compasses, a tool that makes...
TED Talks
Ted: Ted Ed: Four Ways to Understand the Earth's Age
The Earth is 4.6 billion years old- but how can humans relate to a number so colossal, and where do we fit on the geologic timeline? Joshua Sneideman reminds us of our time and place in the universe. [3:45]
Other
Histography
Scroll through this ingenious interactive timeline to see events that have happened since the Big Bang. The timeline uses historical events gleaned from Wikipedia. Click on an event to see information and related events, and for some, a...
Other
Wellcome Trust: Tree of Life Interactive
Explore evolution with this interactive Tree of Life. Click on any species along the timeline to learn more about it. The timeline is accompanied by a video and the user can switch back and forth between them at any point.
CK-12 Foundation
Ck 12: Life Science: 4.12 Geologic Time Scale
Understand the history of the Earth through geologic time.
NASA
Nasa: Climate Kids: The Climate Time Machine
Check out this interactive timeline which illustrates how earth's climate has changed throughout history.
Woods Hole Oceanographic Institution
Woods Hole Oceanography Institute: History of the Earth
This interactive timeline reveals key geologic and biological events starting back 4.8 billion years to the present.
National High Magnetic Field Laboratory
Magnet Academy: Timeline of Electricity and Magnetism: 1960 1979
Computers evolve into PCs, researchers discover one new subatomic particle after another and the space age gives our psyches and science a new context.
Other
Astronomical Society of the Pacific: Cosmic Calendar [Pdf]
An activity where students create a timeline of the history of the Universe, beginning with the Big Bang almost 14 billion years ago, but compress it into one year. Younger students must be able to order events, while older students need...
Smithsonian Institution
Smithsonian Institution: Time and Navigation
Explore navigation methods by sea, air, and space, what latitude and longitude mean, how GPS works, about satellite navigation, and learn about professional navigators. Includes a timeline of developments in navigation from 1280 to the...
PBS
Nova: Magnetic Storms: When Compasses Pointed South
Earth's magnetic poles have reversed themselves throughout its long history. Find out what scientists know about these reversals. A geologic time line shows when the reversals occurred.
Other
Siemens Stem Day: Life Science: The Time of Our Life [Pdf]
Students will learn about ancient organisms as they create a timeline showing when they appeared on Earth.
European Space Agency
European Space Agency: Story of the Universe
The story of the universe is told in this engaging site by the European Space Agency. The history of European space science is timelined with dates ranging from 1066 to present day. The birth of galaxies, the big bang, and the beginnings...
Smithsonian Institution
Smithsonian Learning Lab: Fossils: Footprints Across Time
Smithsonian Education presents "Fossils: Footprints Across Time." Teachers can download this teaching package that introduces students to the study of fossils. Students will discover what fossils can teach us about the Earth as it was...
US Energy Information Administration
U.s. Eia Energy Kids: Energy Timelines
Research different types of fuel to see when major developments occured in their use. Fourteen different types of fuels can be researched, including fossil fuels and alternative fuels.
Curated OER
European Space Agency: Story of the Universe
The story of the universe is told in this engaging site by the European Space Agency. The history of European space science is timelined with dates ranging from 1066 to present day. The birth of galaxies, the big bang, and the beginnings...