https://padlet.com/saraj710/10lirnyzk3ic en-us 2017-01-06 17:48:10 UTC 2017-03-15 10:58:32 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Xmastree.png saraj710 https://padlet.com/saraj710/10lirnyzk3ic/wish/145749829 Determining the age of rocks and fossils can help us determine more about the time in which it was formed. This lets us learn more about past climates and may give clues as to the animals that lived there. There are two ways to determine the age of a rock: relative dating and radiometric dating.]]> 2017-01-06 17:56:17 UTC https://padlet.com/saraj710/10lirnyzk3ic/wish/145749829 saraj710 https://padlet.com/saraj710/10lirnyzk3ic/wish/145753281 Relative dating gives age in relation to other rocks. Ex. Sedimentary rocks form in layers. You can tell that layers that are farther down because new layers form on top of old layers.]]> 2017-01-06 18:10:35 UTC https://padlet.com/saraj710/10lirnyzk3ic/wish/145753281 saraj710 https://padlet.com/saraj710/10lirnyzk3ic/wish/145754383 Nuclear elements in rocks decay at at a constant rate. Scientists can find the age of a fossil or rock by looking at how decayed these elements have become.]]> 2017-01-06 18:14:53 UTC https://padlet.com/saraj710/10lirnyzk3ic/wish/145754383 saraj710 https://padlet.com/saraj710/10lirnyzk3ic/wish/145756262 http://naturalhistory.si.edu/exhibits/backyard-dinosaurs/questions-answers.cfm?know=a24

http://biologos.org/common-questions/scientific-evidence/fossil-record]]> 2017-01-06 18:22:37 UTC https://padlet.com/saraj710/10lirnyzk3ic/wish/145756262