The greenhouse gas most commonly blamed for causing global warming.
What is carbon dioxide (CO₂)?
The Earth’s outer layer, made up of solid rock.
What is the Earth's crust?
A quick and sudden flood caused by heavy rain.
What is a flash flood?
The instrument used to measure the strength of an earthquake.
What is a seismograph?
This is the Japanese term for a “harbor wave,” which is now used internationally to describe these massive ocean waves.
What is a tsunami?
The outer most layer of earth that protects it against the sun's rays.
What is the ozone layer?
The idea that Earth's outer plates move around and cause earthquakes and volcanoes.
What is plate tectonics?
A long period of time with very little rain, causing a shortage of water.
What is a drought?
The point on the Earth's surface directly above the focus of an earthquake.
What is the epicenter?
This warning sign often occurs just before a tsunami hits the shore.
What is a receding ocean or drawback?
These large ice blocks are melting because of global warming, causing sea levels to rise.
What are glaciers?
The type of boundary between plates is where they slide past each other, often causing earthquakes.
What is a transform boundary?
These are barriers built along rivers or coasts to prevent flooding.
What is floodwalls or levees?
Small earthquakes that happen after a large earthquake.
What are aftershocks?
This country experienced a devastating tsunami in 2011 after a major earthquake.
What is japan?
his term describes the process where gases like carbon dioxide trap heat in the Earth's atmosphere.
What is the greenhouse effect?
The giant landmass that existed about 200 million years ago, before it broke apart to form the continents.
What is Pangaea?
This natural event, often caused by drought and hot, dry conditions, can destroy large areas of forest.
What is wildfire?
This famous volcano in Italy erupted in 79 AD, burying the cities of Pompeii and Herculaneum.
What is Mount Vesuvius?
Tsunamis are most likely to happen in this part of the world, which includes Japan and Indonesia.
What is the Pacific Ocean or the Ring of Fire?
Cutting down trees in large amounts leads to more carbon dioxide in the air.
What is deforestation?
This mountain range was formed by the collision of the Indian plate with the Eurasian plate.
What are the Himalayas?
The lack of rainfall during a drought causes this dangerous effect, where the top layer of soil blows away.
What is soil erosion?
This type of volcano has not erupted in a long time but may erupt again in the future.
What is a dormant volcano?
Scientists who study tsunamis and other ocean movements.
What is oceanographers?