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Grade 8 Science CRT Instructional Material #1 - RPDP

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<strong>Grade</strong> 8 <strong>Science</strong> <strong>CRT</strong> <strong>Instructional</strong> <strong>Material</strong>s <strong>#1</strong><br />

24 39<br />

Use the graph below to answer the<br />

following question.<br />

2441<br />

Which of the following describes the<br />

differences between solids and liquids?<br />

A Both have a definite shape, but only<br />

solids have a definite volume.<br />

B Both have a definite volume, but<br />

only liquids have a definite shape.<br />

C Solids have a definite volume and<br />

shape, but liquids only have a<br />

definite volume.<br />

D Liquids have a definite volume and<br />

shape, but solids only have a<br />

definite shape.<br />

How much of Nevada’s energy usage<br />

come from nonrenewable resources?<br />

A 30.2%<br />

B 56.8%<br />

C 93.2%<br />

D 100%<br />

2442<br />

Use the graph below to answer the<br />

following question. The graph is a<br />

velocity vs. time graph showing the<br />

movement of a train over time.<br />

24 40<br />

Which of the following is a transfer of<br />

chemical energy to thermal energy?<br />

A A hairdryer is turned on to dry a<br />

girl’s hair.<br />

B A boy digests an apple, which<br />

regulates his body temperature.<br />

C An atom is split to increase the<br />

temperature of water<br />

D An ice cube is placed in warm soup<br />

and melts.<br />

Which statement is the best description<br />

of the train’s motion? The train is<br />

A not moving in any direction.<br />

B continuously accelerating.<br />

C moving with constant velocity.<br />

D accelerating slowly.<br />

Copyright © 2010 by the Southern Nevada Regional<br />

Professional Development Program<br />

Page 14<br />

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