Seeing the Invisible

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

Tags

CCSS.L.3.4B

CCSS.RF.3.3A

CCSS.RF.3.3B

CCSS.RF.4.3A

CCSS.RF.5.3A

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 explaining the use of the microscope for scientific discovery.

Tags

CCSS.RI.3.5

CCSS.RI.4.5

CCSS.RI.5.5

CCSS.RI.6.5

CCSS.RI.7.5

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

• Lenses were not used until the 1300s.

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

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

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

Tags

CCSS.RI.4.8

CCSS.RI.5.8

CCSS.RI.6.8

CCSS.RL.4.5

CCSS.RL.6.1

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 the information in chronological order.

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

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

Tags

CCSS.RI.3.5

CCSS.RI.4.5

CCSS.RI.5.5

CCSS.RI.6.5

CCSS.RI.7.5

How does the illustration contribute to the passage?

• It directly supports the passage information in paragraph 3 about how the microscope was used to study plants.

• It helps the reader locate definitions of microscope vocabulary used in the paragraph.

• It directly supports the description of a microscope in paragraph 6.

• It helps the reader understand how microscopes have improved over time.

Tags

CCSS.RI.1.5

CCSS.RI.2.5

CCSS.RI.K.5

This question has two parts. Answer part A (question 6), and then answer Part B (question 7).

What is the main idea of the passage?

• The invention of the microscope was an accident.

• The modern microscope is the result of many people's efforts.

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

• The invention of the microscope led to a scientist's discovery of cells.

Tags

CCSS.RI.6.2

CCSS.RL.4.2

CCSS.RL.5.2

CCSS.RI.4.2

CCSS.RI.5.2

Part B

Which summary BEST supports the main idea of the passage?

• Lenses are named after the lentil bean. One scientist chose to grind and polish the lenses so they could magnify objects at a higher level. Then he used the lenses to make new discoveries from a drop of blood.

• There are two types of microscopes: compound and electron. Scientists have used these microscopes to observe insects, a cork, and pond scum. A book was written about discoveries one scientist made while using the microscope.

• The Romans found that glass could magnify objects. Then people started to wear lenses for vision. Two spectacle makers turned the lenses into a microscope. Scientists experimented with the lenses and made important discoveries. These scientists also improved the microscope over time.

• A microscope is used to look at objects that are difficult to see. The microscope uses a combination of lenses that have been improved over the years. The best lenses in the world were created by people who studied optic design.

Tags

CCSS.RI.6.2

CCSS.RL.4.2

CCSS.RL.5.2

CCSS.RI.4.9

CCSS.RI.5.9