Relative & Absolute Age Review

Front

Which of these is the best indication of the relative age of a rock layer? Options: The thickness of the layer, The position of the layer compared to other layers, The chemical makeup of the layer, The distance the layer extends over the Earth

Back

The position of the layer compared to other layers

Front

The radioactive decay of material can be used to determine the age of fossils. This is called

Back

absolute dating

Front

Which area is most likely the youngest sedimentary layer?

Back

1

Front

Which area is most likely the youngest?

Back

3

Front

What percent of the original C-14 is left after 11,480 years? Options: 1, 1/2, 1/4, 1/8

Back

1/4

Front

The method used to tell if one rock layer is older than another is called —

Back

relative dating

Front

Which is the oldest layer?

Back

4

Front

The time taken for half of a radioactive isotopes to decay into stable isotopes is called the

Back

half life

Front

An element with a different number of neutrons is called a(n)

Back

isotope

Front

Which would be best for determining the age of dinosaurs? Options: Uranium-234, Lead-214, Polonium-214, Thorium-230

Back

Uranium-234