Notes: Types of Rocks

What is a mineral?

• A naturally occurring, inorganic, crystalline solid

• A type of plant

• A liquid found in nature

• A man-made object

Which of the following is an example of a mineral?

• Diamond

• Water

• Plastic

• Wood

What is a rock?

• A natural, solid mixture of minerals or grains

• A type of plant found in forests

• A liquid mixture of chemicals

• A type of animal found in the ocean

What are the fragments that make up a rock called?

• Pebbles

• Grains

• Crystals

• Particles

What do scientists use to classify types of rocks?

• Color and weight

• Grains' sizes, shapes, and chemical compositions

• Temperature and pressure

• Age and location

How are igneous rocks formed?

• From cooled magma in the Earth or from lava directly from volcanoes

• From compressed sand and mud

• From layers of plant material

• From evaporated sea water

What does the Latin root "ignis" mean?

• Fire

• Water

• Earth

• Air

How are sedimentary rocks formed?

• From sediments carried by water and wind

• From volcanic lava cooling

• From the melting of other rocks

• From the crystallization of minerals

What does the Greek root "meta" mean?

• Change

• Shape

• Rock

• Heat

What does the Greek root "morph" mean?

• Shape

• Change

• Pressure

• Rock