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Dating dinosaur bones

Fossils are the bones of our next kids science project. What about discovering how old our dinosaur fossils are?

In our Mummification STEM lab that looks at osmosis, we certified Dating dinosaur bones mummy as real or fake using the method Dating dinosaur bones carbon dating. We built a pretend mass spectrometer for kids to play with using the true physical concepts of a real mass spectrometer.

Can we use the same method to date dinosaur bones?

Carbon 14, the isotope that is used in carbon Dating dinosaur bones has a half-life of 5, years. If you are wondering if this is fast or slow, or how far you can date with C14, then I have dinosaurr for you.

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C14 is considered a Dating dinosaur bones decay, and it can only date objects that are younger than 50, years old. This presents a problem since dinosaurs are million years old.

Dating dinosaur bones

That means the Carbon14 in the bones is non-existent. That is a great question. There are two main fossil dating methods.

One method is similar to Carbon14 dating in Dating dinosaur bones it looks at ratios of isotopes that decay. Potassium40 to Argon40 has a much much longer half-life than Carbon14 to Carbon12 — , years. If we want Dating dinosaur bones use this method we will need to find out how much Potassium40 and Argon40 is in our dinosaur fossil sample.

This can be tricky, and in fact, Meet single naked women Tampa Florida use one technique on potassium and another technique on argon. When it comes to potassium we can burn it and look at the colors of light emitted.

Every element has a very specific set of colors, and we can pull boens potassiums fingerprint and thus the quantity from an overall data set.

Argon40, on the other hand, uses the same technique we learned about in our other STEM lab for kids — mass spectrometry. Dating dinosaur bones

And, indeed, in this lab, we will run pennies and nickels through our mass spectrometer, look at the data, and determine Dating dinosaur bones old dinosaur fossils are that we dug up.

Another method of dating dinosaur bones is looking at the geologic layers dug up when finding the fossils, a method called geochronology.

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As time goes on, sediment accumulates over the lands. This sediment can turn into limestone, shale, and other types of rock.

By looking at the layers, and knowing the age of certain types of fossils we find in idnosaur layers, we can learn the approximate age of the dinosaur fossils. Dating dinosaur bones can imagine that the top layers are the youngest as they were just laid downand the bottom layers are the oldest. As the method of Dating dinosaur bones has grown, there have been many dating methods used on the actual rock surrounding dinosaur fossils.

How Do Scientists Determine the Age of Dinosaur Bones? | HowStuffWorks

We will only look at a few of these methods in our hands-on kids science activity that does lots of labwork and deep learning projects — perfect for homeschool science curriculum. How do we Dating dinosaur bones dinosaur bones?

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Radiometric dating — like that of K-Ar dating and C14 dating. Fission track dating — where scientists look at tiny tracks of neutrons running through the material.

Cosmogenic nuclide geochronology — looking at the interaction of cosmic rays with Earths materials and the materials in question. Luminescence dating- looking at the light emitted from pieces of quartz, diamond, or calcite that Dating dinosaur bones found near the fossil.

Stratigraphic dating — looking at the layers and fossils found in those layers to gain an idea of the approximate age of the fossil.