Rocks, Minerals, & Plate Tectonics

Scientists use 4 characteristics to classify rocks; how they are formed, mineral composition,_____________, and_________________.

• texture, color
• size, value
• geographic location, abundance

______________ rocks are formed by high temperature and pressure.

• Sedimentary
• Metamorphic
• Igneous

_______________ rocks are formed by erosion, deposition, compaction, and cementation.

• Sedimentary
• Metamorphic
• Igneous

Which type of rock are you most likely to find a fossil? Metamorphic or Sedimentary

• Sedimentary
• Metamorphic

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

_____________ rocks are formed by cooling magma or lava.

• Sedimentary
• Metamorphic
• Igneous

____________ minerals are not formed from materials that were once part of living things.

• Organic
• Crystal
• Inorganic
• True

Tags

NGSS.MS-PS1-1

Why are you most likely to find fossils in sedimentary rocks?

• because the other processes use high heat to form the rocks; fossils are destroyed
• because the minerals in sedimentary rocks are better at preserving fossils
• because more organisms died near sedimentary rock deposits

Tags

NGSS.MS-LS4-1

Sea-floor spreading provides evidence for what process?

• crystals
• subduction
• convection currents
• plate tectonics

Tags

NGSS.MS-ESS2-3

What is the name given to a deep canyon on the ocean floor?

• cystals
• subduction
• convection currents
• trench

Tags

NGSS.MS-ESS2-3

What happens when one plate moves below another plate?

• crystals
• subduction
• convection currents
• plate tectonics