Rock Identification Questions 21-30

This rock cooled on the outside of a volcano and contained air bubbles when it was forming. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

This rock was molten lava that cooled quickly as it came out of a volcano. 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

This rock is made from tiny pieces of other rocks that settled to the bottom of a valley millions of years ago. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

This rock started as lava that cooled and then was heated and put under pressure over time. What type of rock is this?

• Sedimentar
• Igneous
• Metamorphic

Each rock type can follow only one pathway of the rock cycle.

• True
• False

This rock was layers of fossils that were buried, heated, and put under pressure over millions of years. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

After lots of time, pressure, and heat, you get this kind of rock. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

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

This Rock Is Sedimentary. Which observation about the rock best supports this classification?

• The rock is composed of several minerals.
• The rock has large grains.
• The rock contains fragments of other rocks.
• The rock shows distorted and stretched pebbles.