Earth and Space Review

Front

What is the thinnest layer of the Earth?

Back

The crust is the thinnest layer of the Earth.

Front

What type of plate boundary causes seafloor spreading?

Back

Seafloor spreading occurs at a Divergent Boundary.

Front

What type of plate boundary is characterized by plates sliding past each other?

Back

A Transform Boundary is characterized by plates sliding past each other.

Front

What type of rock is formed from heat and pressure applied to shale?

Back

Slate is a metamorphic rock formed from shale.

Front

What is the first challenge rockets faced for space exploration?

Back

Rockets needed enough thrust to overcome Earth’s gravity.

Front

What is the outermost layer of the Earth called?

Back

The outermost layer of the Earth is called the crust.

Front

What is the process of new oceanic crust formation called?

Back

The process is called seafloor spreading.

Front

What type of rock forms from the cooling and solidification of magma?

Back

Igneous rock forms from the cooling and solidification of magma.

Front

What is a convergent boundary?

Back

A convergent boundary is where two tectonic plates move towards each other.

Front

What is the main component of the Earth's mantle?

Back

The mantle is primarily composed of silicate minerals.