Glaciers
River/Waves
Layers 1
Layers 2
Spheres
100

A chunk of ice that slides overtop of land is called a(n) ____________________.

glacier

100

When rocks break apart and are transported, it is called ______________.

erosion

100

The outermost layer of Earth is called the ________ 

crust

100

When water freezes, it _______________.

expands

100

The Geosphere includes ___________ 

rocks and dirt

200

Glaciers leave behind __________, small pieces of rock.

till

200

What is a curve called in a river?

meander

200

Which of Earth’s layers is the thickest?

mantle

200

Geologists collect direct evidence of Earth's interior through ______________.

rock samples

200

Which sphere of Earth contains humans?

Biosphere

300

The process in which rock fragments freeze to the bottom of a glacier and then are carried away when the glacier moves is called ____________.

plucking

300

What is it called when part of meander gets cut off from the rest of the river?

oxbow lake

300

What causes Earth to form layers?

density

300

The outer core is __________

liquid

300

Earth’s _____________is the thin envelope of gases that surrounds Earth.

atmosphere

400

Glaciers leave behind holes called _________

kettles

400

When the center of a sea arch is broken, it creates a ______________.

sea stack

400

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

crust, mantle, outer core, inner core

400

Earth’s inner core is?

a dense ball of solid metal

400

According to the theory of plate ____________________, Earth’s plates move very slowly in various directions.

tectonics