T5 EXP 1- Evidence of Change

Front

What causes convection currents?

Back

Hot magma rises while cool magma sinks.

Front

What type of evidence was NOT used by Alfred Wegener to support his continental drift theory?

Back

Evidence from human remains.

Front

Based on the law of superposition, which fossil can be used as evidence that Locations 1, 2, and 3 used to be connected?

Back

Gastropod.

Front

What does the theory of continental drift state?

Back

The continents were once joined in a super-continent and have moved over time.

Front

Which evidence best supports the theory that the continents have moved over time?

Back

The shape of the landmasses seem to fit together.

Front

What is the law of superposition?

Back

In undisturbed layers of rock, the oldest layers are at the bottom and the youngest are at the top.

Front

What is continental drift?

Back

The movement of the Earth's continents relative to each other.

Front

What is a super-continent?

Back

A large landmass that is made up of multiple continents joined together.

Front

What role do fossils play in understanding continental drift?

Back

Fossils found on different continents provide evidence that those continents were once connected.

Front

What is the significance of Alfred Wegener's theory?

Back

It introduced the idea that continents are not fixed and can move over geological time.