Volcanoes
Famous Americans
Vocabulary
Natural Disasters
Mental Math
100
Magma after it leaves the vent of a volcano.
What is lava?
100
This man was known for discovering electricity.
Who is Benjamin Franklin?
100
A word that means "taking place slowly".
What is gradual?
100
A natural disaster where the ground shakes.
What is an earthquake?
100
The sum of 44 and 66.
What is 110?
200
A volcano that no longer erupts and is in the process of eroding.
What is an extinct volcano?
200
This woman was famous for sewing the first American flag.
Who is Betsy Ross?
200
A verb that means "to say or disclose that one has done something wrong".
What is confess?
200
A natural disaster where a gigantic wave hit a mass of land.
What is a tsunami?
200
The difference of 73 and 37.
What is 36?
300
A volcano that is erupting or that has erupted recently.
What is an active volcano?
300
This man was elected president in 2008.
Who is Barack Obama?
300
An adjective that means "fake or not real; made by people rather than nature".
What is artifical?
300
A natural disaster where strong winds blow a town or city.
What is a hurricane?
300
The product of one million and one.
What is one million?
400
A volcano that is not erupting now, but that may erupt in the future.
What is a dormant volcano?
400
This woman attempted to fly solo across the Atlantic Ocean and mysteriously disappeared.
Who is Amelia Earhart?
400
An adjective that means "big; large; huge".
What is considerable?
400
A natural disaster where heavy snow covers everything, making it difficult or impossible to go outside.
What is a blizzard?
400
The quotient of one million divided by one million.
What is one?
500
Fine particles of cooled magma.
What is volcanic ash?
500
This man was famous for giving the Gettysburg Address at the end of the Civil War.
Who is Abraham Lincoln?
500
A verb that means "to give the right of way to; to give something up".
What is yield?
500
A violent, rotating column of air; this natural disaster is much more common in mountainless areas than in California.
What is a tornado?
500
The product of one million and zero.
What is zero?
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