Boundaries
Seafloor Spreading
Rock Strata
Rock Cycle
RHS
100
The boundary type where earthquakes happen

Transform

100

As seafloor spreading occurs, the Earth gets (Smaller, Bigger, Stays the Same Size)

Stays the Same Size

100

Newer rocks are are found at what layer?

Top layer

100

Type of rock made from heat

Igneous

100
Is the rock cycle a fast or slow scale?

Slow

200

The boundary type where mountains are made

Convergent

200

Newer crust is located where (closer or farther)

Closer

200

The farther you go down, the more likely you are to find what?

Fossils

200

Type of rock made from pressure

Sedimentary

200

Timescale of a landslide

Fast

300

The boundary type where plates move away from eachother

Divergent

300
Seafloor plates go below continental plates because they are what?

More dense (Heavier)

300

If two places have similar rock strata, we can assumed they were once what?

Touching (Pangea)

300

Type of rock made from heat and pressure

Metamorphic

300
What formed the Grand Canyon? (Two Words)

Weathering/Erosion

400

The name of the theory for plates moving

Plate Tectonics

400

The process of seafloor plates going below continental plates is called what?

Subduction

400

Weathering does what

Breaks down rock into sediment

400

Who discovered plate techtonics?

Wegener

500

If fossils are found on two continents, we can guess that those continents used to what

Touch (Pangea)

500

When the crust subducts, it is what?

Recycled

500

What does erosion do

Washes away the sediment from weathering

500

Calderas are having lower or higher age?

Lower