Rocks and Minerals

This rock formed when bits of other rocks became pressed into a solid. What type of rock is it?

• Sedimentary Rock
• Metamorphic Rock
• Igneous Rock

When you watch a volcano erupt molten rock, you are seeing _____

• Lava
• Magma
• Mineral Crystals
• Igneous Rocks

What are the 3 major types of rocks?

• Igneous, Metamorphic, Sedimentary
• Metamorphic, Igneous, Cementation
• Brown, Red, Gray
• Streak, Hardness, Breakage

What process is used to form sedimentary rocks?

• Lava cools and hardens to form a rock.
• Bits of sand and gravel form layers that turn into rock from pressure.
• Extreme heat and pressure from inside the Earth turn rocks into new rocks.
• Magma trapped under the Earth's surface cools and solidifies.

Which of the words below describe mud, sand, and tiny bits of rocks that cement together to form a type of rock?

• stalactites
• magmas
• metamorphs
• sediments

This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

This rock was found near the mouth of a volcano. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

When sediments are pressed together tightly, this is called ____________.

• Compaction
• Cementation
• Weathering
• Erosion

The process in which dissolved minerals crystallize and glue sediment together.

• compaction
• deposition
• organic rock
• cementation

This rock was formed when molten rock cooled into a solid. What type of rock is it?

• Igneous Rock
• Metamorphic Rock
• Sedimentary Rock