Known as the Black Edison, he developed a railway telegraph communications system
Granville T Woods
The flow and movement of energy through systems or circuits
Electricity
The average of a set of data is called this
Mean
The document that is the plan of government for the United States is called this:
The Constitution.
A doctor who developed a way to preserve blood plasma. He also established the first blood bank.
Charles Drew
A medical doctor, she became the first African American astronaut
Mae Jemison
An object or material that allows electricity to pass through it.
Conductor
find the mode:
2,4,2,3,3,2
2
Name the 3 branches of Government
Legislative, Judicial, Executive
World heavyweight boxing champion who used his fame to call attention to injustices against African Americans.
Muhammad Ali
He invented a safety hood to rescue people in a fire, and the first traffic signal
Garrett Morgan
A device that stores and produces electrical energy in a cell or series of cells
battery
Find the range:
10, 3, 14, 16 , 25
15
The branch that decides if a law is unconstitutional
Judicial
She developed hair and skin care products to become the first African American woman millionaire.
Madame C J Walker
His civil rights involvement began with the Montgomery bus boycott. His efforts led to the Voting Rights Act in 1965 and the Open Housing Act in 1968
Rev. Dr. Martin Luther King Jr.
An unbroken path that allows an electric current to flow through it.
Closed circuit
Find the median:
8, 16, 2, 4, 19
8
The system that prevents one branch from from gaining too much power is called A...
A system of checks and balances
His militant approach to fighting for the human rights of African Americans was expressed in his words "by any means necessary"
Malcolm X
He was a surveyor who memorized the plans that designed Washington DC. He also published an Almanac to help farmers by predicting the weather.
Benjamin Banneker
A circuit in which the electric current can follow 2 or more paths
Parallel circuit
Find the mean:
6, 2, 4, 8, 16, 0
6
Name the 2 houses of Congress
The House of Representatives and the Senate
He was the first person to reach the North Pole.
Mathew Henson