Science 30 January 2000 Diploma Examination
Science 30 January 2000 Diploma Examination
Science 30 January 2000 Diploma Examination
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The exploration of space adds to our knowledge of the universe and has produced<br />
a number of theories about it.<br />
9. According to the steady state theory and the big bang theory, the universe is<br />
expanding. Evidence supporting the theory of an expanding universe is that the<br />
electromagnetic radiation collected from distant galaxies<br />
A. undergoes red shift<br />
B. undergoes blue shift<br />
C. is emitted in a wide range of frequencies<br />
D. is emitted in a narrow range of frequencies<br />
10. In a recent space shuttle experiment, power was produced by pulling a very long<br />
conducting wire behind the shuttle through Earth’s magnetic field. The<br />
phenomenon that was being studied likely involved the<br />
A. creation of a magnetic field through induction<br />
B. interaction of electrical and gravitational fields<br />
C. interaction of magnetic and gravitational fields<br />
D. creation of an electrical current through induction<br />
11. Objects sent into orbit around Earth are known as artificial satellites. Natural<br />
satellites orbiting around planets are known as<br />
A. moons<br />
B. galaxies<br />
C. constellations<br />
D. solar systems<br />
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