Rocks & Minerals

What type of rock forms from cementation and compaction close to or on earth's surface?

• Sedimentary
• Metamorphic
• Igneous

What type of rock forms from heat and pressure deep inside earth's surface?

• Sedimentary
• Metamorphic
• Igneous

What type of rock forms from lava that has cooled at or near earth's surface?

• Sedimentary
• Metamorphic
• Igneous

Fossils are sometimes found in which type of rock?  (Fossils can only survive this rock's process of formation.)

• intrusive igneous
• extrusive igneous
• metamorphic
• sedimentary

In order for sediments to become rock, the sediments are generally

• liquefied.
• compacted.
• returned to their origins.
• mixed with organic material.

Which of these substances is a mineral?

• sandstone
• granite
• quartz
• coal

Which sentence BEST describes a process in the rock cycle?

• Sedimentary rocks can melt to become metamorphic rocks.
• Volcanoes can deposit sedimentary rock to form mountains.
• Metamorphic rocks can form by the weathering process.
• Igneous rocks can become metamorphic and sedimentary rocks.

rocks make up a rock

• Conglomerate

• Pumice

• Slate

• Granite

black, hard, glassy

• Quartzite

• Limestone

• Obsidian

• Conglomerate

Talc is the softest mineral on Mohs Hardness Scale.

• True

• False