Semester 2 Final

The greenhouse effect is

Before lava reaches the surface, the molten material is called

The ozone layer protects living things on Earth from

Fossil fuels are considered nonrenewable resources because they

The relative age of a rock is

Geologists divide Earth’s long history into smaller units that make up the

The process where natural forces move weathered rock and soil from one place to another is

In a nuclear power plant, what is used to change water into steam?

The Mesozoic Era is also known as

To be useful as an_____, a fossil must be widely distributed and represent a type of organism that existed only briefly.

What is the age of an intrusion of igneous rock in relation to the sedimentary rock layers through which it passes?

Devonian Period, animals that could live on land began to evolve, still spent part of their lives in the water are ___

What has the study of fossils allowed scientists to do?

Earth’s earliest atmosphere lacked which gas that is needed for life as we know it today?

Heat and pressure deep beneath Earth’s surface can change any rock into

Is nuclear power renewable or nonrenewable?

Which of the following is considered a renewable resource?

Climates are classified according to two major factors:

Most of Earth's water (about 97 percent) is

The outermost layer of Earth is called the

Fossil fuels are energy-rich because they contain

Which best describes the climates of Europe and North America during the 1.8 million years of the Quaternary Period?

Earth’s atmosphere, oceans, and continents began to form during the first several hundred million years of

Late in the Paleozoic Era, the supercontinent Pangaea formed. The climate in the center of Pangaea was probably a(an)

The ozone layer protects living things on Earth from

Earth’s atmosphere, oceans, and continents began to form during the first several hundred million years of

What is Pangaea?

What are the three types of rocks that are part of the rock cycle?

During the Cambrian Explosion that began the Paleozoic Era, the many new forms of life that evolved

Mantle material rises in convection currents because heated materials become

The law of superposition states that in horizontal sedimentary rock layers the youngest layer is at the:

Lava that hardens on the surface is called an_______________. An extrusion is always younger than the rocks below it.

The process by which sediment settles out of the water or wind carrying it is

If all members of a species disappear from Earth, the species is said to be

What type of fuel is used in a Nuclear Power Plant?

If fish are caught faster than they can breed, the population will

Earth’s inner core is

The extinction of the dinosaurs gave warm-blooded vertebrates called _____ a chance to thrive.

Sedimentary rocks are types of rocks in which________ may be found.

The exhaust fumes from automobiles are an example of

The oldest layers of sediment are found where?

An igneous rock that is formed from lava is called a(n) ____________________ rock.

What is the correct order (starting from the surface) of Earth’s layers?

Over the past 200 years, the level of carbon dioxide in the atmosphere has

Laws can help protect endangered species by prohibiting