Vocabulary Review

_______ is the first human-made satellite to be placed in orbit around Earth.

• Sputnik

• Apollo 11

• Voyager 1

• Hubble

The term given to the competition in space exploration between the United States and the Soviet Union from the 1950s to the 1970s is called the _______.

• Space Race

• Cold War

• Arms Race

• Nuclear Standoff

_______ are human-made objects that orbit Earth for purposes of communication and information-gathering.

• satellites

• comets

• asteroids

• meteors

U.S.S.R. is an acronym for the full name of the Soviet Union, which is _______.

• Union of Soviet Socialist Republics

• United States of Soviet Republics

• Union of Socialist Soviet Regions

• United Socialist States of Russia

The term _______ means operated onboard by humans.

• manned

• remote

• automatic

• uncrewed

The word _______ means entering; going through or into.

• penetrating

• departing

• avoiding

• excluding

The _______ is the blanket or "bubble" of gases surrounding a planet or other celestial body.

• atmosphere

• crust

• core

• mantle

The word _______ means greatly desired or wished for.

• coveted

• ignored

• forgotten

• abandoned

A _______ is a long and difficult journey to find or get something.

• quest

• rest

• test

• feast

The word _______ means full of strong emotions.

• impassioned

• apathetic

• indifferent

• placid