Year 3 Science Spring 2 Rock Identification

A material made of a single mineral.

A solid, natural material made out of two or more minerals.

Any hard substance found on Earth's surface.

A material formed only from volcanic activity.

Slate, Sandstone, Shale

Granite, Obsidian, Pumice

Sedimentary, Igneous, Metamorphic

Volcanic, Oceanic, Mountainous

Weight, density, and magnetism

Texture, grain size, and color/patterns

Temperature, pressure, and location

Age, hardness, and luster

They form with small crystals and a glassy surface.

They develop a grainy texture and stripe patterns.

They have large, visible crystals and a rough texture.

They trap air bubbles, creating many holes.

Rapid cooling of molten lava.

Compaction and cementation of sediments.

Extreme heat and pressure deep within the Earth.

Weathering and erosion of existing rocks.

Smooth, glassy sides.

Presence of fossils.

Large, visible crystals.

Wavy layers.

To measure the hardness of a rock.

To determine the exact age of a rock sample.

To identify specific types of rocks by asking a series of yes/no questions.

To classify rocks into the three main categories: igneous, sedimentary, or metamorphic.

Gabbro

Conglomerate

Sandstone

Schist