Ch. 7 Lesson 2 Quick Vocabulary

What is a magnetic reversal?

• A mountain range on the seafloor

• An event where the magnetic field reverses direction

• A type of oceanic crust formation

• A standard pattern of magnetism

What is a mid-ocean ridge?

• A type of magnetic field

• A mountain range located on the seafloor

• A reversal of magnetic polarity

• A new oceanic crust formation

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-3

What does the term "normal" refer to in this context?

• A magnetic field pointing south

• A mountain range on the seafloor

• Conforming to a type, standard, or regular pattern

• A new oceanic crust formation

What is normal polarity?

• Today's magnetic field where magnets orient to point north

• A magnetic field pointing south

• A mountain range on the seafloor

• A new oceanic crust formation

What is reversed polarity?

• A mountain range on the seafloor

• A magnetic field where magnets orient to point south

• A new oceanic crust formation

• Today's magnetic field where magnets orient to point north

What is seafloor spreading?

• An event where the magnetic field reverses direction

• A mountain range located on the seafloor

• New oceanic crust forms at a mid-ocean ridge as old crust moves away

• A magnetic field pointing south

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Which of the following is a method to study vocabulary according to the document?

• Watching movies

• Making flashcards

• Reading novels

• Listening to music