STEMscopedia: Plate Tectonics & Vocab
Flashcard
•
Science
•
6th - 8th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an erratic rock?
Back
An erratic is a rock that has been transported from its original location by glacial ice and is found in a different area.
2.
FLASHCARD QUESTION
Front
What is plate tectonics?
Back
Plate tectonics is the theory that the Earth's crust is divided into large pieces called tectonic plates that slowly move on the semi-fluid mantle beneath them.
Tags
NGSS.MS-ESS2-1
NGSS.MS-ESS2-3
3.
FLASHCARD QUESTION
Front
What are striations?
Back
Striations are scratches or grooves worn into bedrock from the abrasion caused by moving glaciers.
Tags
NGSS.MS-ESS2-2
4.
FLASHCARD QUESTION
Front
What is the mantle?
Back
The mantle is the solid layer of Earth located between the crust and the core, composed of dense silicate rocks, where convection currents occur.
5.
FLASHCARD QUESTION
Front
What is a tectonic plate?
Back
A tectonic plate is a huge piece of the Earth's crust that moves slowly on the upper, ductile part of the mantle.
Tags
NGSS.MS-ESS2-1
NGSS.MS-ESS2-2
NGSS.MS-ESS2-3
6.
FLASHCARD QUESTION
Front
What is continental drift?
Back
Continental drift is the theory that continents have moved over geological time and were once joined together in a single landmass.
Tags
NGSS.MS-ESS2-2
NGSS.MS-ESS2-3
7.
FLASHCARD QUESTION
Front
What is seafloor spreading?
Back
Seafloor spreading is the process by which new oceanic crust is formed at mid-ocean ridges and slowly moves away from the ridge.
Tags
NGSS.MS-ESS2-3
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