Unit 3

Question 0

What was the big landmass called?

Answer 0

Pangaea, meaning all lands

Question 1

What four theories did Alfred Wegener have for his theory of plate tectonics?

Answer 1

Glossopteris fossils-plants that resembled their ferns, their seeds couldn’t have traveled across the ocean
Folded mountains- similar mountain formations
Glacial deposits- scratches in the rocks
Coal deposits-to different lands seemed to be connected

Question 2

Who and when discovered the continental drift?

Answer 2

Alfred Wegener in 1910

He was German

Question 3

What are trenches and ridges?

Answer 3

Deep valleys on the ocean floor

Mountain chains that rise from the ocean floor

Question 4

What is a diverging, converging and transform boundary?

Answer 4

Moving apart
Coming together(up and down)
Sliding along each other

Question 5

Two types of converging boundaries

Answer 5

Oceanic and continental

Question 6

Two formations of converging boundaries…….

Answer 6

Mountain ranges and trenches

Question 7

What is subduction/subduction zone?

Answer 7

Converging boundary of oceanic and continental plates

Question 8

What are anticlines and synclines?

Answer 8

Anticline-upfold in the rock

Syncline-down fold in rock