Fossils & Changes Over Time

Front

What are rocks that are formed by layers of sediments becoming hardened over millions of years?

Back

Sedimentary rocks

Front

Who estimated the age of rock layers 1, 2, and 3 most accurately?

Back

Maya

Front

What are powerful natural processes, such as earthquakes and erosion, that shape and change the Earth’s surface over time?

Back

Earth forces

Front

What are tiny particles like sand, mud, and small rocks called?

Back

Sediments

Front

What do we call the visible features and landforms of an area?

Back

Landscape

Front

What is the term for the layers of rock that are formed over time?

Back

Strata

Front

What is the process called when sediments are compacted and cemented together to form rocks?

Back

Lithification

Front

What type of fossil is formed when an organism is preserved in ice or amber?

Back

Preserved fossil

Front

What is the study of fossils and what they tell us about the past?

Back

Paleontology

Front

What is the term for the gradual change in species over time?

Back

Evolution