The Soviet satellite launched in 1957 was called _______.
Sputnik
The U.S. and USSR competed in a nuclear ______ race.
Arms
These giant machines were used during the Cold War to calculate military data.
Mainframe computers
This powerful bomb uses nuclear fission to create a massive explosion.
Atomic bombs
During the Cold War, this device allowed leaders to speak quickly during emergencies.
The hotline
Which US organization was created in 1958 to compete in the Space Race?
NASA
What powerful bomb uses nuclear fusion instead of fission?
Hydrogen bomb
This network created by the US Department of Defense later became the Internet.
ARPANET
This stronger type of nuclear weapon uses fusion reactions.
Hydrogen bomb
This technology made it possible to send television signals around the world.
Communication satellites
Who was the first human to step on the moon?
Yuri Gagarin
What policy discouraged nuclear war because both sides could destroy each other?
MAD
Cold War scientists developed this technology to make calculations faster using tiny circuits.
Microchips
These missiles could travel across continents during the Cold War.
ICBMs
Governments used this secret system to protect military messages.
Encryption
What Apollo mission first landed humans on the Moon in 1969?
11
Which 1962 crisis brought the U.S. and USSR closest to nuclear war?
Cuban missile Crisis
These systems were designed to warn countries about incoming nuclear attacks.
Early warning computer system
This defense strategy meant both sides could destroy each other with nuclear weapons.
MAD
This medium spread news and propaganda quickly to large audiences.
radio prodcasting
Which reusable spacecraft program began in the United States in 1981?
Space Shuttle Program
What anti-missile defense idea was announced by President Reagan in 1983?
SDI
This branch of computer science studies machines that can imitate human thinking.
AI
These submarines could launch nuclear missiles while hidden underwater.
Nuclear submarines
This Cold War invention started as a military communication network and later became the modern Internet.
ARPANET