Choose the best answer to each question and write the appropriate ...
Choose the best answer to each question and write the appropriate ...
Choose the best answer to each question and write the appropriate ...
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<strong>Choose</strong> <strong>the</strong> <strong>best</strong> <strong>answer</strong> <strong>to</strong> <strong>each</strong> <strong>question</strong> <strong>and</strong> <strong>write</strong> <strong>the</strong> <strong>appropriate</strong> letter in <strong>the</strong> space provided.<br />
40) As a whale swims deeper in<strong>to</strong> <strong>the</strong> ocean, increasing water pressure squeezes its volume,<br />
making it smaller. As <strong>the</strong> whale swims deeper <strong>and</strong> deeper, <strong>the</strong> buoyant force on it<br />
__________.<br />
A) decreases B) increases C) remains unchanged<br />
41) As a high-altitude balloon sinks lower <strong>and</strong> lower in<strong>to</strong> <strong>the</strong> atmosphere, its __________.<br />
A) volume decreases. B) density decreases.<br />
C) weight decreases. D) mass decreases.<br />
42) Which has more weight, a balloon filled with helium or <strong>the</strong> same size balloon filled with<br />
air?<br />
A) The helium balloon<br />
B) The air balloon<br />
C) Nei<strong>the</strong>r -- <strong>the</strong>y both have <strong>the</strong> same weight.<br />
43) As a woman holding her breath swims deeper <strong>and</strong> deeper beneath <strong>the</strong> water's surface, her<br />
density __________.<br />
A) increases B) decreases C) remains <strong>the</strong> same<br />
44) The lift that supports an airplane wing is a consequence of __________.<br />
A) Archimede's principle. B) Bernoulli's principle.<br />
C) Pascal's principle. D) Lake Dallas' Principal<br />
© Prentice Hall, Inc. Page 6