Every Rock Tells a Story Flashcards
(4 cards)
1
Q
Rock Layers
A
Over time layers are put down, and the makeup of each layer will depend on what is happening at the time. Sudden changes like earthquakes can also change rock layers.
2
Q
How do rocks tell us about the past environments on earth
A
The rock type, layer shape, layer order, and things found in the rock all tell us about the past environments on earth.
3
Q
Fossils
A
The preserved remains of plants and animals
4
Q
What do fossils tell us
A
By studying fossils in different rock areas it is possible to compare the relative age of rocks throughout the world – was it formed before or after another rock.
