What is sea-floor spreading?
Plate Tectonics: Continental Drift & Seafloor Spreading

Flashcard
•
Science
•
6th Grade
•
Hard
Quizizz Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Back
The process by which new oceanic crust is formed at mid-ocean ridges and gradually moves away from the ridge.
2.
FLASHCARD QUESTION
Front
Where does sea-floor spreading begin?
Back
At the mid-ocean ridge.
3.
FLASHCARD QUESTION
Front
What are the four geological time divisions in order from least to greatest?
Back
Epoch, Period, Era, Eon.
4.
FLASHCARD QUESTION
Front
What type of plate boundary occurs when two plates move apart?
Back
Divergent boundary.
5.
FLASHCARD QUESTION
Front
What happens at a convergent plate boundary?
Back
Two tectonic plates collide, which can lead to subduction or mountain formation.
6.
FLASHCARD QUESTION
Front
What is subduction?
Back
The process where one tectonic plate moves under another and sinks into the mantle.
7.
FLASHCARD QUESTION
Front
Why does oceanic crust sink below continental crust during subduction?
Back
Because oceanic crust is more dense than continental crust.
Create a free account and access millions of resources
Similar Resources on Wayground
14 questions
Plate Boundaries

Flashcard
•
6th Grade
15 questions
Plate Boundaries

Flashcard
•
6th Grade
15 questions
Plate Tectonics and Plate Boundaries

Flashcard
•
6th Grade
15 questions
Plate Boundaries

Flashcard
•
6th Grade
15 questions
Plate Boundaries

Flashcard
•
6th Grade
15 questions
Plate Tectonics

Flashcard
•
6th Grade
10 questions
Plate Boundaries

Flashcard
•
6th Grade
11 questions
Unit 7 Mario Vocab Kart

Flashcard
•
6th - 7th Grade
Popular Resources on Wayground
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade