Bju Press Science

The thin outer layer of the earth is called the

• Mantle

• Crust

• Core

• Soil

The center of the earth is called the

• Mantle

• Crust

• Core

• Soil

Most of the earths mass is in the

• Mantle

• Crust

• Core

• Soil

An inorganic substance found naturally in the earth is called

• A mineral

• Soil

• A rock

• A vein

A substance made of things that were never alive is

• Organic

• Luster

• Synthetic

• Inorganic

Characteristic of a mineral to break along smooth, straight lines or into flat sheets is called

• Fracture

• Streak

• Color

• Cleavage

The color of the mark made when a mineral sample is rubbed on a harder surface is called the

• Fracture

• Streak

• Color

• Cleavage

Rock formed by heat and pressure deep below the earths crust is called

• Conglomerate

• Igneous

• Metamorphic

• Sedimentary

Rock that forms when layers of sediment and organic material Harden is called

• Conglomerate

• Igneous

• Metamorphic

• Sedimentary

Rock formed from magma or volcanic lava is called

• Conglomerate

• Igneous

• Metamorphic

• Sedimentary