Mcroscope Eureka! CKLA 4th Grade, Unit 4

What is the relationship between the invention of the microscope and the understanding of disease and the environment?

• The microscope allowed scientists to study the effects of pollution on human health.
• The microscope helped scientists understand the impact of human activity on the environment.
• The microscope led to the development of new medical treatments.
• The microscope allowed scientists to see the causes of disease.

What did the microscope allow nineteenth-century scientists to see?

• Parasites.
• Fungi.
• Viruses.
• Bacteria.

What are some of the modern uses of microscopes?

• Manufacturing computer parts.
• Performing medical procedures.
• Studying the environment.
• All of the above.

How has the microscope helped the environment?

• By studying river water samples.
• By monitoring animal populations.
• By analyzing air quality.
• By studying plant growth.

What did van Leeuwenhoek's microscope allow him to see that was previously unknown?

• Bacteria.
• Viruses.
• Fungi.
• Parasites.

What did van Leeuwenhoek use to make his first microscope?

• Wooden frames.
• Metal rods.
• Brass plates.
• Glass lenses used in eyeglasses.

What did van Leeuwenhoek's microscope allow him to see?

• Fungi.
• Viruses.
• Bacteria.
• Single-celled organisms.

How have modern microscopes expanded on van Leeuwenhoek's original invention?

• They have increased magnification.
• They have improved image quality.
• They have decreased in size.
• They have added new features.

What was one reason doctors and scientists had difficulty curing diseases before the invention of the microscope?

• They did not believe in the existence of tiny organisms.
• They did not have access to proper medical equipment.
• They did not understand the concept of magnification.
• They could not see the tiny organisms that spread sickness.

What did scientists do once they were able to identify bacteria using the microscope?

• They developed new medical treatments.
• They created new antibiotics.
• They studied the effects of bacteria on the environment.
• They invented vaccines to prevent diseases.