Earth's Structure
Natural disasters
Layers of Earth
Rocks
Dirt
100
Landmasses on Earth are called _____
What is CONTINENTS
100
A large mass of moving water caused by a strong earthquake under the ocean
What is a TSUNAMI
100
number of layers in Earth
What is 4
100
Formed by heat and pressure
What is METAMORPHIC
100
Layer made up of decaying plants and animals
What is ORGANIC LAYER
200
We live on this continent
What is NORTH AMERICA
200
Large cracks in the Earth's crust where earthquakes occur
What is FAULTS
200
outermost layer of Earth
What is CRUST
200
Formed when sediment builds up and presses on lower layers of sediment
What is SEDIMENTARY
200
Layer that is a mixture of humus and sediment; worms, insects and animals may live here
What is TOPSOIL LAYER
300
The Earth's surface is divided into large areas called _____
What is TECTONIC PLATES
300
The exact place where an earthquake occurs
What is FOCUS
300
Layer just below the crust that has the consistency of oatmeal
What is MANTLE
300
Formed when magma cools and hardens below the Earth's surface of after a volcano erupts
What is IGNEOUS
300
Layer that has less humus and fewer living things
What is SUBSOIL LAYER
400
5 Large bodies of water that are connected and make up most of the Earth's water
What is OCEANS
400
Magma once it reaches Earth's surface is called ____
What is LAVA
400
Third layer of Earth
What is OUTER CORE
400
Breaking apart of rocks
What is WEATHERING
400
Layer that is a mixture of loose rock and clay; no humus
What is ROCK LAYER
500
Ocean closest to us
What is ATLANTIC OCEAN
500
Releases magma, cinders, ash, and gases
What is a VOLCANO
500
Center of the earth
What is INNER CORE
500
Formed when animal tracks and imprints of plants are made in sediment
What is FOSSIL
500
A mixture of rocks, sediment, and organic matter
What is SOIL
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