Earth Science Review

What was Wegener's continental drift idea?

At a time of reversed magnetic polarity, the north and south poles are

The seafloor is oldest at the mid-ocean ridge.

Since new oceanic crust is being created

Similar fossil records across continents was evidence for continental drift.

The outlines of the plates are located by mapping

The flat areas of the oceans are called the

We can hold something like the core in our hands, a metallic meteorite.

The locations of ancient climate zones provide evidence for continental drift.

Earth's plates are made of slabs of

As magma cools, all of the mineral grains form at the same temperature.

New land is created at a ______ plate boundary.

Mountain ranges located on both sides of the Atlantic Ocean

The mid-ocean ridge is the longest mountain range on Earth.

Heat in the mantle moves by

Seafloor spreading is what makes the continents move.

Only one type of mineral can be present in a metamorphic rock.

All volcanoes and earthquakes take place at plate boundaries.

The lithosphere is

Two rocks have the same minerals but of very different sizes. Which statement is true?

The lithosphere is solid but it can flow.

Coal is mined in many cold regions, but it is thought to form in_____ climates.

Each type of rock has a particular

A rock that was once a different rock with a different mineral composition and/or texture is a(n)

When heat moves from warmer to cooler objects without material moving it is called _______.

If a divergent plate boundary is found within a continent,

Warm mantle rises and sinks in a _________________.

Seismic waves travel