Rock Identification Practice

This sedimentary rock is made from biologic origins such as plants.

• conglomerate

• coal

• limestone

Tags

NGSS.MS-ESS3-1

This rock is ________________

• igneous because it has random intergrown crystals

• sedimentary because there are lots of fossils

• metamorphic because there is banding

• igneous because it is glassy

Has large crystals because of slow cooling

• sedimentary rock

• metamorphic rock

• intrusive igneous rock

• extrusive igneous rock

Has small or no crystals because of rapid cooling

• sedimentary

• metamorphic

• extrusive igneous

• intrusive igneous

This sedimentary rock is formed when rounded sediments are glued together.

• Breccia

• Conglomerate

• Sandstone

• Siltstone

This rock forms from sand-sized sediments in an aquatic environment.

• Siltstone

• Shale

• Breccia

• Sandstone

Tags

NGSS.MS-ESS2-2

This rock was formed from limestone.

• Rock Salt

• Marble

• Quartzite

• Rock Gypsum

What type of sedimentary rock comes from fragments of other rocks

• Non-clastic

• slate

• Clastic

• gneiss

This rock is made of salts left behind when a shallow sea evaporated. What type of sedimentary rock is it?

• Clastic

• Chemical

• Organic

Granite (as an igneous rock) was transformed into Gneiss (a metamorphic rock) due to heat and pressure. Which rock is the parent rock?

• Gneiss

• Granite