Grade 8 Science CRT Instructional Material #1 - RPDP
Grade 8 Science CRT Instructional Material #1 - RPDP
Grade 8 Science CRT Instructional Material #1 - RPDP
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
<strong>Grade</strong> 8 <strong>Science</strong> <strong>CRT</strong> <strong>Instructional</strong> <strong>Material</strong>s <strong>#1</strong><br />
20<br />
Use the diagram below to answer the following question.<br />
Which interval represents one full wavelength?<br />
A Point A to Point C<br />
B Point B to Point D<br />
C Point A to Point G<br />
D Point C to Point G<br />
21<br />
<strong>Science</strong>, technology, and society affect each other in both positive and negative ways. One<br />
example was the discovery of antibiotics. Which statement best describes the negative affect<br />
that antibiotics have had on society?<br />
A The extensive use of antibiotics has led to the evolution of resistant strains of bacteria.<br />
B The extensive use of antibiotics has caused several forms of new cancers to develop.<br />
C The use of antibiotics in consumer products has led to increased obesity in humans.<br />
D The increased use of antibiotics caused an over-abundance of medical professionals.<br />
22<br />
Scientists have discovered fossils of whale ancestors that have well developed hip and thigh<br />
bones, which are typically used for walking by mammals. Modern whales most likely evolved<br />
from ancestors who<br />
A lived in the sea, and then became better adapted for land.<br />
B lived on land, and then became better adapted for the sea.<br />
C evolved in the sea and remained in the sea.<br />
D evolved on land and remained on land.<br />
Copyright © 2010 by the Southern Nevada Regional<br />
Professional Development Program<br />
Page 8<br />
Go On
Change language