Rocks Comprehension

These rocks were once melted, but they have cooled and hardened.

• Igneous

• Metamorphic

• Sedimentary

These rocks are usually made up of pieces of rocks called sediments that have been pressed and cemented together.

• Igneous

• Metamorphic

• Sedimentary

These rocks were once another type of rock deep inside the Earth, but heat and the pressing of the rocks above caused the minerals to change.

• Igenous

• Metamorphic

• Sedimentary

The rocks are made from melted material called magma or lava.

• Igneous

• Sedimentary

• Metamorphic

Some of these rocks may contain pieces of animal shells or skeletons or other remains of dead plants or animals

• Igneous

• Metamorphic

• Sedimentary

These rocks may be glassy or grainy with crystals at different types of minerals in them

• Igenous

• Metamorphic

• Sedimentary

Granite is an example of a _________rock

• Igneous

• Sedimentary

• Metamorphic

Sandstone and Limestone are examples of _______ rocks.

• Igneous

• Metamorphic

• Sedimentary

Marble and slate are examples of ______ rocks.

• Igneous

• Metamorphic

• Sedimentary

Rocks can be classified by properties, such as how they are formed, color, visible crystals, or patterns in the rock such as stripes

• True

• False