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Cultural Literacy Test - Technology II
Take your time with the following cultural literacy test. If
you select the correct answer it will be highlighted in green and the related
information will be shown. If the first answer selected is incorrect, it will be
highlighted in yellow, indicating try again. If the second answer selected is
incorrect, the correct answer will be displayed. See the Bibliography
to learn more about this test.
What is the aim of the SDI system?
to defend against nuclear attack
to develop self-aimed ballistic missiles
to protect against germ warfare
to use lasers to aid in medical operations
How does a nuclear reactor work?
Atomic nuclei are split, producing a self-perpetuating chain reaction.
Alpha, beta, or gamma rays cause a discharge that produces a nuclear reaction.
Coal is heated to such intensity that atomic nuclei fuse together.
An atom absorbs energy and then emits a photon, causing intense heat.
What is the difference between radar and sonar?
Radar is used to record sounds; sonar is used to make sounds.
Radar records sounds at very high frequencies; sonar records very low frequency sounds.