Michigan Test for Teacher Certification (MTTC) Secondary Integrated Science Practice test

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Prepare for the Michigan Test for Teacher Certification (MTTC) Secondary Integrated Science exam. Utilize flashcards and multiple-choice questions with hints and explanations to succeed in your certification.

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What is the primary function of a scanning electron microscope?

To magnify images using light
To observe the surfaces of specimens
To analyze genetic material
To culture live organisms

The correct answer is: To observe the surfaces of specimens

The primary function of a scanning electron microscope is to observe the surfaces of specimens at very high magnifications. This type of microscope utilizes focused beams of electrons rather than light to create detailed images, allowing scientists to see the topography, texture, and composition of a sample's surface with exceptional clarity. This capability is especially valuable in fields such as materials science, biology, and nanotechnology, where understanding surface features at the microscale is crucial for research and development. The ability to provide three-dimensional images enhances the understanding of how materials and biological specimens interact with their environment.