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How Do We Know the Age of the Earth? Instructional VideoHow Do We Know the Age of the Earth? Instructional Video
Publisher
American Chemical Society
Resource Details
Curator Rating
Educator Rating
Not yet Rated
Grade
9th - Higher Ed
Subjects
Science
3 more...
Resource Type
Instructional Videos
Media Length
4:56
Audiences
For Teacher Use
1 more...
Duration
10 mins
Instructional Strategy
Direct Instruction
Technology
Video
Internet Access
Year
2017
Usage Permissions
Fine Print
Instructional Video

How Do We Know the Age of the Earth?

Curated and Reviewed by Lesson Planet

Some 4.565 billion candles would be needed for a birthday cake for Earth. Young scientists view a video to learn about historical attempts to determine the age of Earth. They see how advances in radioactive dating led to the currently accepted age of 4.565 billion years.

4 Views 4 Downloads

Concepts

the earth, the earth's history, radioactive dating, scientific discoveries, radioactive decay

Additional Tags

science

Instructional Ideas

  • Provide cloze notes for pupils to fill in while watching the video

Classroom Considerations

  • It is advantageous if learners have familiarity with radioactive decay
  • Some basic geology knowledge is beneficial but not necessary
  • This video is hosted on YouTube

Pros

  • Cool graphics engage viewers
  • Interesting and informative video

Cons

  • None

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How Old Is The Earth?

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How do you put 4.5 billion years into terms that young scholars can understand? Use your arms! Examine just how long our Earth has been around in a short video. The content includes the appearance of single-celled, then...
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The first life on Earth developed in the oceans. As an introduction to ecology, the video starts with the formation of the earth. It follows with the Archaean and Proterozoic Eons including protobionts, prokaryotes, and eukaryotes. It...
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How Volcanoes Froze the Earth (Twice)

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Volcanoes contributing to freezing seems counterintuitive, but it's true. The freezing and thawing of the earth has happened multiple times in the planet's history. Scholars learn how the carbon cycle contributed to Earth's temperature...
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Uses of Radioactivity

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Radioactivity is often perceived as dangerous and a threat to our well-being, but you may be surprised at the different applications of this natural chemical process. From the smoke detectors in our homes to treatments for cancer,...
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Four Ways to Understand the Earth's Age

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