Which of the following is an example of how nanotechnology is benefiting society?

• Scientists are using larger materials to create more durable structures.

• Researchers are developing medical treatments that work more effectively with fewer side effects.

• Engineers are designing taller buildings using traditional construction materials.

• Doctors are replacing atoms and molecules in the human body with larger, artificial components.

Why is working at the nanoscale beneficial to scientists?

• It allows them to see objects that were previously invisible to the human eye.

• It helps them manipulate atoms and molecules to develop useful new technologies.

• It makes it easier to detect large-scale environmental changes.

• It replaces the need for conventional scientific research.

Which of the following fields can benefit from nanotechnology?

• Only electronics and medical research

• Engineering, chemistry, biology, and physics

• The entertainment industry and music production

• Traditional farming and animal breeding

Which statement best describes nanotechnology?

• The study of how to make materials larger and more durable.

• The application of extremely small materials to various scientific fields.

• A method of shrinking objects to make them easier to transport.

• A type of microscopic organism that can conduct electricity.

Why do nanoscale materials have unique properties compared to larger-scale materials?

• They contain different types of atoms than larger materials.

• Their small size changes how they interact with electricity, heat, and light.

• They cannot be used in engineering or technology.

• They take up more space than larger materials of the same substance.

How does increasing the surface area of a material affect its interactions?

• It decreases the material’s ability to react with its surroundings.

• It allows more of the material to interact with other substances.

• It makes the material harder and more durable.

• It reduces the total amount of material available.

Which of the following best illustrates the concept of a nanometer?

• A strand of human hair is about 80,000–100,000 nanometers in diameter.

• A single nanometer is the size of a grain of sand.

• The width of a fingernail is one nanometer.

• A football field is one nanometer long.

What is one way scientists have used biomimicry to develop new technology?

• They have created materials that mimic the nanoscale structure of cicada wings to develop antimicrobial surfaces.

• They have copied the color of butterfly wings to create brighter computer screens.

• They have designed airplane engines based on the flight of birds.

• They have made artificial feathers to improve insulation in winter clothing.

What is a potential future application of nanotechnology in medicine?

• Using nanoparticles to make medicine taste better

• Developing nano-enabled diagnostics to detect diseases earlier

• Replacing all human organs with artificial nanoscale structures

• Creating large-scale medical machines to diagnose diseases faster

How does the nanoscale contribute to technological advancements in clothing?

• Scientists use nanotechnology to make clothing more colorful.

• Researchers have created self-heating and cooling fabrics using nanotechnology.

• Nanotechnology allows clothing to grow and change size with the wearer.

• Clothing made with nanotechnology can become completely invisible.