Weathering
Rocks
Caves
Soil
Random
100

The process of breaking down rocks is called: 

Weathering 

100

What are the three types of rocks?

Igneous, metamorphic, and sedimentary 

100

Most caves are formed by which type of weathering?

Mechanical 

100

The loose material and the surface of the earth

Soil

100

A combination of soil, air, water, and decayed organic material is called: 

Humus 

200

The process of breaking down rocks into smaller pieces is called: 

Mechanical Weathering 

200

The changing of rock is called the: 

Rock cycle 

200

What hangs from the ceiling and looks like stone icicles? 

Stalactites 

200

Scientists who stuyd soil are called:

Pedologists 

200

Equal parts sand and silt, with half as much clay put together is called: 

Loam 

300

Changes the rock into a new substance: 

Chemical weathering 

300

Igneous rocks are formed when: 

magma cools and hardens below or above Earth's surface

300

What grows up from the ground of a cave as a result of dissolved calcite?

Stalamites 

300

The largest particle of soil is called: 

Sand

300

The amount of each particle in a soil is called the :

Texture 

400

When water gets underneath a rock and pushes it upward

Forst Heaving 

400

Metamorphic rocks form by:

heat and pressure below Earth's crust

400

People who explore caves are called?

Spelunkers 

400

The medium particle of soil is called:

Silt

400

Mechanical weathering that occurs when two rocks rub together is called what?

Abrasion 

500

Oxygen in the air+ iron =

Iron oxide (rust)

500

Sedimentary rocks form when:

sediment and the remains of tiny living things settle and harden. 

500
What forms when a stalactite and a stalagmite grow together and become one?

Column 

500

The smallest particle of soil is called:

Clay

500

When sheets of rock peel away like layers of an onion

exfoliation