ELA Sampler Passage 2

Based on the prefix micro- and the root scope, what is a microscope used to observe?

• distant objects

• objects that are small

• unusual objects

• objects that are powerful

Which organizational pattern is used in the passage?

• The development of the microscope is explained using a sequence of events.

• The use of the microscope is compared to the use of other scientific tools.

• A description of the people who invented the microscope is presented using specific details.

• Questions and answers are presented explaing the use of the microscope for scientific discovery

Which evidence supports the conclusion that early Romans were responsible for the invention of the microscope?

• They discovered that a piece of glass that was thick in the middle and thin at the edges could make objects appear larger

• Lenses were not used much until the 1300s

• They put several lenses in a tube and look through them at an object.

• During the 1800s, major improvements were made to the microscope.

Which statement BEST explains why this passage is nonfiction?

• The passage includes directions on how to make a microscope using different types of lenses.

• The author uses factual information about microscopes and presents this information in chronological order

• The author tells stories about scientist from different time periods who worked with microscopes and made discoveries

• The passage includes predictions about how future scientists will improve the microscope.

What is the main idea of the passage?

• The invention of the microscope was an accident.

• The modern microscope is the result of many peoples efforts.

• The greater the curvature of a microscope lens, the more it magnifies an object.

• The invention of the microscope led to a scientists discovery of cells.