Rocks & Fossils

Front

What are sedimentary rocks?

Back

Rocks formed by layers of broken down rocks being pressed together over time.

Front

What are igneous rocks?

Back

Rocks formed when lava or magma cools and hardens.

Front

What are metamorphic rocks?

Back

Rocks that form when other rock types are under intense heat and pressure.

Front

What does the Law of Superposition state?

Back

Each rock layer is older than the one above it.

Front

What are intrusive igneous rocks?

Back

Igneous rocks that form as a result of magma inside a volcano cooling slowly, causing large crystals to form.

Front

What are extrusive igneous rocks?

Back

Igneous rocks that form when lava cools quickly on the Earth's surface, resulting in small crystals.

Front

What is the rock cycle?

Back

The continuous process of rock formation and transformation between igneous, sedimentary, and metamorphic rocks.

Front

What is a fossil?

Back

The preserved remains or traces of ancient living organisms.

Front

How do fossils form?

Back

Fossils form when organisms are buried quickly by sediment, which hardens over time.

Front

What is the difference between rocks and minerals?

Back

Rocks are made up of one or more minerals, while minerals are naturally occurring inorganic substances with a specific chemical composition.