WorksheetsAge of Earths rocks
Total questions: 10
Worksheet time: 8mins
What is absolute dating?
determining weather and event or object is older or younger
specific determining how old some thing is
sand
what is relative dating?
dinosaur fossils
specific determining how old something is
determining whether an event or object is older or younger
rock layers
What can you conclude based on the absolute ages of igneous rock. Choose all that apply
The shale with fossils is 175 million years old
The sandstone must be less than 200 million years old
The rocks shifted along the fault less than 175 million years ago
The limestone is between 200 and 175 million years old
How do we know when ancient animals lived?
In rock layers what layer is the youngest?
MIddle
bottom
top
Over millions of sediment settle on the seafloor making layers.
True
False
Relative dating is done by comparing rock layers and features to each other. Choose which statements are true about the sequence of undisturbed sedimentary rock layers.
The rock layers are older on top and youngest on top
The rock layers are younger on top and older as you go toward the bottom.
A fault that cuts through a rock layer is youngest than the rock layer
What is fossil records?
Number of rock layers
All of Earth's known fossils and information
Sediment,igneous, and metamorphic
volcanic eruptions
which rock or features in the photo formed most recently?
The thick black rock layer at the top
the fault running through the center
The white rock layer near the bottom
the gray rock layer at the very bottom
Relative dating is done by comparing rock layers and features to each other. Select which statements are true about a sequence of undisturbed sedimentary rock layers.
The rock layers are older on top and younger as you go toward the bottom.
The rock layers are younger on top and older as you go toward the bottom.
. A fault that cuts through a rock layer is younger than the rock layer.
A fossil in a sedimentary rock layer is about the same age as that rock layer.
