Earthquakes
Layers of the Earth
Earths Crust
convection currents
Seismic Waves
100
A sudden release of energy from plate movement creating shaking and trembling is known as

Earthquakes

100
How does temperature change as you move from the crust to the core?
it gets hotter
100

Is the crust a solid, liquid, or gas?

solid

100

Warm air is ____ dense than cold air and rises creating convection currents.

Less

100
What does P in a P wave stand for?

primary

200
Name one type of earthquake

tectonic, volcanic, collapse and explosion

200
Which layer of Earth is located above the outer core?

mantle

200

What is the Earth's outer Crust?

the part of the crust we live on

200

In convection, COOL air rises or falls?

Falls

200

Which kind of waves can NOT travel through a liquid?

S waves

300
Which layer of the Earth is divided into plates?

the crust

300

Earth's inner core is made of

iron and nickel

300

The Earth's crust is broken into many pieces called plates

True

300

In convection, WARM air rises or falls?

Rises

300

The motion caused by earthquakes travels outward from the focus in the form of?

Seismic waves

400

The focus of an earthquake is

below the surface of the earth

400

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

crust, mantle, outer core, inner core

400

Is the crust a solid, liquid, or gas?

two sub-layers

400

Where does earth get it's energy from?

The sun

400
Which travels fastest, always being the first detected by seismic stations?

p waves

500

How long do earthquakes last 

10-30 seconds

500
The crust and the uppermost mantle make up the solid layer of hard rock called the
lithosphere
500

What is the Earth's Crust made out of?

Dirt, Grass, Granite, and Basalt

500

The cycle that powers the ocean currents, weather, and tectonic plates is called?

Convection Currents

500

P and S waves travel through the earth, and so are called

Body Waves

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