Front

What does the discovery of fossils of the same extinct dinosaur on both South America and Africa suggest?

Back

The continents were once connected.

Front

What process occurs when metamorphic rock melts into magma?

Back

Melting of metamorphic rock into magma.

Front

What is one negative impact of building a dam?

Back

Sometimes people who lived along the banks of the river are displaced.

Front

What type of material does radioactive dating look at the carbon-14 remaining in?

Back

Organic material.

Front

What is the method called that allows geologists to place rocks in their proper order of formation based on layering?

Back

Relative dating.

Front

What is the principle of faunal succession?

Back

It states that fossil organisms succeed one another in a definite and recognizable order.

Front

What is the difference between relative dating and radiometric dating?

Back

Relative dating determines the order of events, while radiometric dating provides an actual age.

Front

What is the principle of original horizontality?

Back

It states that layers of sediment are originally deposited horizontally.

Front

What is a land bridge?

Back

A land bridge is a connection between two landmasses that allows species to migrate.

Front

What is the significance of fossil evidence in understanding continental drift?

Back

Fossil evidence supports the theory that continents were once joined and have since drifted apart.