Leftover decomposed plant and animal matter is called:
Any trace, mark, or remains of an organism at least 10,000 years old is a:
"Fire made" rock that forms when lava cools and hardens is:
Rocks formed under water when sand and sediments become cemented together in layers are:
The process by whick rocks are changed from one type into another is the:
A rock that has been changed by heat, pressure, or both is a:
The rate at which water can pass through a porous material is:
A naturally occurring substance that is neither plant nor animal is:
A hollow fossil form clearly showing the outside features of an organism is a:
Hardened tree sap, which often contains insect fossils, is called:
In which type of rocks are most fossils found?
Which part of an animal's body is LEAST likely to become a fossil?
What does finding a large number of fossil fish bones tell scientists about a dry area?
The MOVEMENT of sand, soil or rocks by wind or water is called:
The WEARING DOWN of rocks and soil is called:
One example of something that can QUICKLY change the surface of the Earth is:
One example of something that can SLOWLY change the surface of the Earth is:
Explain what fossils tell us about the past.
Explain why rocks found at the bottom of a mountain are smoother than the rocks found at the top of the mountain.
List 3 things you have learned about fossils, rocks, weathering or erosion: