Cycles
Biomes
Earth
Natural Disasters
Weathering
100
This is the changing of water from liquid to gas and back to liquid
What is the water cycle?
100
This biome is most of Russia. It is also the largest biome.
What is the taiga?
100
This is the layer of gases that surrounds Earth.
What is the atmosphere?


100
This is a sudden movement in Earth's crust.
What is an earthquake?
100
This type of weathering occurs when chemicals break down rocks.
What is chemical weathering?


200
This is the process in which animals and plants burn carbon-rich foods for fuel.
What is carbon cycle?
200
This biome can be parts of California as well as Antarctica.
What is a desert?
200
This was the name of the original supercontinent conncecting all land.
What is Pangaea?
200
These are the first waves that hit when an earthquake occurs.
What are primary waves?
200
This is a pile of frozen snow that moves, carrying smaller broken pieces of rocks with it.
What is a glacier?
300
This is the percentage of nitrogen in the atmosphere.
What is 78%?
300
Reindeer travel through this biome, constantly on the search for food.
What is the tundra?
300
This occurs when techtonic plates shift towards each other.
What is a volcano?


OR

What is a mountain?


300
This is the result of a large amount of energy in a small amount of water.
What is a tsunami?
300
This occurs when water collects on land that's normally dry.
What is a flood?
400
This is what ammonia is transformed into during the  nitrogen cycle.
What is nitrite?
400
This is the highest level of the rainforest.
What is the emergent layer?
400
This is a type of volcano that is built by thick lava thrown into the air.
What is a cinder-cone volcano?
400
This device helps alert people when seismic activity is occurring.
What is a seismometer?
400
This occurs when sandbars are stretched for miles along the coastline.
What is a sandbar?


500
This is a mixture of dead organic material that is used for fertilizer.
What is compost?


500
This biome can be home to buffalo or lions in Africa
What is the grasslands?
500
This is the oldest of the Hawaiian islands.
What is Kauai?
500
This is the pool of magma under an ocean that will form volcanic islands over time
What is a hotspot?


500
This device is meant to change the direction water can travel, not to block it.
What is a levee?


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