NGSS
Earthquake explained in an easy to understand way.
Earthquake
A sudden shaking of rock in the Earth's crust. Earthquake. An earthquake is the shaking of the ground caused by movements of rocks below the Earth's surface.
Flood plain explained in an easy to understand way.
Flood plain
A wide valley through which a river flows and can overflow. Flood plain. A flood plain is a flat area next to a river that can get covered with water when the river overflows.
Hurricane explained in an easy to understand way.
Hurricane
A large tropical storm with winds of more than 74 mph. Hurricane. A hurricane is a big spinning storm that forms over warm ocean water and can cause strong winds and heavy rain.
Landslide explained in an easy to understand way.
Landslide
The sudden movement of loose rock and soil down a slope. Landslide. A landslide happens when dirt and rocks quickly slide down a hill or mountain.
Tornado explained in an easy to understand way.
Tornado
A spinning funnel-shaped column of wind. Tornado. A tornado is a strong windstorm that forms a spinning cloud shaped like a funnel and can cause lots of damage.
Tsunami explained in an easy to understand way.
Tsunami
A huge wave caused by an underwater earthquake. Tsunami. A tsunami is a big ocean wave caused by the movement of the earth under the sea.
Volcano explained in an easy to understand way.
Volcano
A mountain through which lava flows to Earths surface. Volcano. A volcano is an opening in the Earth's surface that lets hot, melted rock and gases escape.