WorksheetsThe Earth
Total questions: 20
Worksheet time: 11mins
What is the thick section of the earth's crust below the continents?
Oceanic Crust
Tectonic Plate
Continental Crust
Seafloor
What is the thin section of the earth's crust that makes up the ocean floor?
Seafloor Spreading
Tectonic Plate
Continental Drift
Oceanic Crust
What is a large section of the earth's crust?
Tectonic Plate
Continental Drift
The Ocean Floor
The Continents
What is the theory that the earth's crust is divided into sections that move?
Pangaea Theory
Continental Drift
Seafloor Spreading Theory
Tectonic Plate Theory
The Process of forming new oceanic crusts.
Seafloor Spreading
Magma rising from the ocean floor
Volcanoes erupting underwater
Fossil remains of fish and plants
What is Pangaea?
(a)
How was the Pangaea theory supported?
Scientists could tell the continents used to be connected.
There were similar fossils and rocks in different parts of the world.
Humans can feel the earth moving.
How is new oceanic crust formed?
Tectonic plates push against each other and force new land upwards.
Fish and plants die and their remains form new ocean floor.
Tectonic plates pull apart and magma rises up to create new surface as it cools.
The ______ sections of crust below the continents are continental crusts.
Hard
Broken
Thin
Thick
The _______ sections of crust that make up the ocean floor are oceanic crusts.
Thick
Thin
Moving
Broken
The large sections of crust located in the ________ are called tectonic plates.
Landforms
Continents
Lithosphere
Mantle
Alfred Wegener's theory states that the continents were once a single ______ he called Pangaea.
Continent
Ocean
Landmass
Landform
Pieces of Pangaea broke up and drifted apart to their present positions and became the _______ continents.
6
7
8
4
Wegener used ________ and rocks to support his theory.
Trees
People
Fossils
Dinosaurs
Large underwater _________ run through the oceanic crust.
Valleys
Mountains
Depths
Hills
________ rises up through the rift in the ocean floor, cools, and then hardens.
Smoke
Lava
Magma
The _______ ocean floor forms next to the edges of the rift.
Newest
Oldest
The _______ ocean floor is next to the continent.
Newest
Oldest
What is the correct order for the layers of the earth?
Core, Outer Core, Crust, Mantle
Crust, Outer Core, Mantle, Core
Mantle, Outer Core, Core, Crust
Crust, Mantle, Outer Core, Core
Can you dig to the center of the universe?
YES, absolutely!
No, are you crazy?
