Relative Age - is how old something is compared to how old something else is., Law of Intrusion - Magma intruded through all rock layers ., Fault - Tectonic plate movements can cause rock to break and move along planes called faults., The Law of Superposition - Newer layers of rock form on top of older layers of rock., Relative Dating - Geologists use relative dating to determine the relative ages of rocks & fossils., fossil record - all of Earth's known fossils and the information they provide., Unconformity - some rock layers are missing, forming gaps in the rock record, index fossil - the remains of an organism that was common & can help date other rocks & fossils, absolute dating - technology used to find the ages of rocks, Cross Cutting Law - if a fault or other body of rock cuts through another body of rock then it must be younger in age than the rock through which it cuts and displaces.,

Leaderboard

Visual style

Options

Switch template

Continue editing: ?