occurring continuously
Water constantly flows down Niagara Falls.
continent
one of seven large land masses which Earth's land is divided between
The explorer traveled the continent searching for gold.
discover
to find something for the first time
I want to be the first person to discover a cure for cancer.
extreme
very great in measure or degree
During extreme weather conditions, it's better to stay indoors.
float
to cause something to rest or move on a liquid without sinking
The children had a wonderful time watching their toy boats float along the river.
magma
hot, melted rock that exists in liquid form below the Earth's surface magma is molten rock within the Earth's crust.
material
the physical substance, such as wood or metal, that something is made of
The material formed from the combination of metals, turned out to be very useless.
observe
to watch and take careful notice of someone or something
The teacher observed the new students in the class before beginning the lesson.
rate
the speed with which events occur over time
The train was traveling at a very fast rate.
section
a part or piece that something is divided into
I managed to get seats in the middle section of the theater.
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