science

A crack in the earth's crust along which rocks move

The most common, abundant igneous rock on the Earth

Rock that is formed by heat deep in the earth and the pressure above changes the rock after many years

Sorting into groups based on similarities and differences

A characteristic of an object; something that you can observe

Rocks that are made of tiny pieces of other rocks, shells, sand, and other materials.

An earth material made up of one or more minerals

Any mark or remains of a plant that lived a long time ago

A piece or part of a larger quantity

The only mineral that will react to contact with acids by fizzing or bubbling

A person who studies Earth and its minerals

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The solid form of a material that can be identified by its special shape or pattern

Large piles of windblown sand

The breaking and changing of rocks

The study of all that is physical about the Earth

The hardest mineral

Rocks that are made from magma that cools beneath the earth's surface

A basic earth material that cannot be broken down and further

A property of minerals that tells how shiny things are

The softest mineral