Vocab
Bones or impressions left by animals or plants, thousands of years ago.
The crocodile has an ancestor from thousands of years ago with nostrils positioned on the top of their head.
What are Archosaurs?
How deep a fossil is found in the layers of Earth tell us how ______ the fossil is.
What is old?
These replace the bones and flesh once a dead plant or animal has decayed in order to become a fossil.
(Similar to rocks.)
What are minerals?
the movement of sediment from one location to another.
What is erosion?
_____ are remains from plants and animals that lived long ago.
What are fossils?
These three processes complete the cycle of slow changes to Earth's surface.
What is weathering, erosion, and deposition?
This refers to all of the water on Earth's surface.
What is the hydrosphere?
The hard, outer covering on an insect or animal.
What is an exoskeleton?
Referring specifically to water.
What is dissolve?
These are fuels found naturally in Earth, that humans used daily, but take a long time to reproduce.
What are Fossil Fuels?
This refers to all of the land on Earth's surface.
What is the geosphere?
Animals that have a hard outside covering, called an exoskeleton.
This sea creature lived over 540 million years ago and it's fossils are known to be over 250 million years old.
What is a trilobite?
Resources that can easily be replaced or reproduced.
What are renewable resources?
Volcanoes are formed when these collide.
What are tectonic plates?
1. animals and plants die and decay.
2. These remains are burried under layers of sediment.
3. Over thousands of years, weathering and erosion reveal the fossils.
This process is called ____.
What is Fossilization?
What are layers?
Energy held at the top of a hill before a ball rolls down is called _____.
What is potential energy?
What are wind, water, ice, and waves?