Physical Science Unit 6 Combo Quiz

When a cooler, denser tectonic plate sinks underneath of another and enters the mantle

Outermost layer of Earth

Tectonic plates are pieces of ________ - which is the layer of Earth including the crust & upper mantle

Which part of the core is liquid?

composed of a pile of solid lava pieces that form during a high-gas, low-lava eruption

Vibrations that travel through Earth and are caused by events like earthquakes

The VARIETY of igneous rocks are due to changes in the rock, itself ________ magma forms

point below the surface where the rock breaks

two plates slide past each other

Point on Earth's surface above the focus

Ranks earthquakes according to the magnitude of their seismic waves

Wave w/ back-n-forth motion

heap of rock bits

hot, slow-flowing, solid layer of Earth between the crust and core

Records arrival time and strength of various seismic wave

Deep ocean trenches and mountain ranges

underground melted rock

Tectonic plates are large pieces of _________ that move on the asthenosphere

What has the largest effect on crystal size of igneous rocks?

The larger the difference in arrival times, the farther away an earthquake's epicenter is from the seismic station

Center of Earth; divided into the solid "inner" and "outer"

How many major tectonic plates are there?

Scale that rates the total energy released by earthquakes

Earthquakes occur at which type of boundary

Tiny particles of volcanic rock

Crystal size and _______- are used ito "interpret the hisotry of igneous rocks"

Himalayan mountains were formed as a result of a _______ boundary

two plates move apart

two plates come together

Decreased pressure and the addition of _______- helps lower the melting point of mantle rock

The theory of Continental ________ states that continents move on Earth's surface

Mid ocean ridges & continental rift valleys

Process by which crystals form and increase in size

Which of the following is NOT considered an igneous rock?

Wave that can pass through liquids AND solids

magma that has erupted onto Earth's surface and cooled

stress relief for tectonic plates

Volcanoes DO NOT occur at which type of boundary?

Under water mountain ranges are also referred to as ________

Igneous rocks that cool and crystallize ABOVE Earth's surface (basalt)

divides the upper and lower mantle; the "jelly" in a sandwich

region on Earth's surface that is broken and where movement takes place