Earth History Test Review

The Himalayan Mountains were created as a result of which type of boundary?

Plate motion is partly caused by

Which of the following best describes the mantle?

Which layers are made of iron or nickel?

What am I going to get on this test?

By studying the layers of the sedimentary rocks, scientists can determine the

Which dating technique would you most likely use to determine the relative age of rocks?

The age of an event or object compared with other events or objects is called

What was the earliest form of life?

What is the age of the earth?

Fossils are traces or remains of

Theory that states the earth is changing in the same ways that it always has

In what time span did the dinosaurs live?

Which part of an ancient reptile would you expect to see in a rock fossil?

The oldest layer in an undisturbed sedimentary rock bed is usually

There is a gap of about 1 billion years between two rock layers. This is an example of______

What does the geologic time scale record?

One way scientists learn about changes in the Earth's atmosphere is by studying

The thin rigid layer that forms the outermost part of the lithosphere is called the Earth's

What era do we live in