Protoplanets
Tectonic Plates
Inside Earth
100

Earth Started out as this

What is dust

100

This is the type of boundary where they move towards one another

What is a Convergent Boundary

100

This is the highest layer of the Mantle

What is the Asthenosphere

200

Earth Formed this amount of time in the past.

What is 4.6 billion years.

200

This is the type of plate where they move away from eachother

What is a Divergent Boundary.

200

This is the state of matter of the inner core

What is solid

300

This planet smashed into Earth in its early days.

What is Theia

300

This makes the plates move.

What is convection.

300

This force makes the tectonic plates move.

What is convection

400
True or False: Earth started with life on it.

What is false.

400

The plates rub together, ↑↓

What is a transform boundary

400

This is the outer most layer of Earth

What is the Crust

500

This force allowed meteors and other things to join Earth when it grew big enough.

What is gravity?

500

This causes volcanic activity, and is responsible for Hawaii.

What is a hotspot?

500

This is the only layer of earth made up of Liquid.

What is the Outer core.