Exploring Nanotechnology

What is a nanometer?

• A unit of measure equal to one-millionth of a meter

• A unit of measure equal to one-billionth of a meter

• A unit of measure equal to one-thousandth of a meter

• A unit of measure equal to one-hundredth of a meter

Which tool allows scientists to move atoms into new arrangements?

• Electron microscope

• Atomic force microscope

• Scanning tunneling microscope

• Optical microscope

Describe how nanotechnology can improve the effectiveness of sunscreens.

• By making the sunscreen smell better

• By enhancing the sunscreen's ability to reflect UV radiation without leaving a white residue

• By making the sunscreen waterproof

• By increasing the sunscreen's SPF rating

Explain why zinc oxide is used in sunscreens.

• It absorbs UV radiation and spreads it out as heat

• It reflects UV radiation away from the skin

• It provides a pleasant fragrance

• It acts as a moisturizer

What is the shape of a C60 molecule, also known as a Fullerene or Buckyball?

• Cube

• Sphere

• Truncated icosahedron

• Pyramid

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How does nanotechnology contribute to stain resistance in fabrics like NANO-CARE®?

• By making the fabric waterproof

• By altering the fabric's color

• By changing the molecular structure to repel water and stains

• By making the fabric softer

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Discuss the potential impact of nanotechnology on environmental cleanup efforts.

• It can create new pollutants

• It can develop molecules that break down pollutants like oil spills

• It can make cleanup efforts more expensive

• It can slow down the cleanup process

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What is the significance of the nanoscale in scientific research?

• It allows for the study of large objects

• It enables the manipulation of materials at the atomic level

• It is irrelevant to modern science

• It is only used in biology

How might nanotechnology revolutionize medicine?

• By creating larger medical devices

• By developing nanoscale robots to target diseases like cancer

• By making medicine more expensive

• By reducing the need for doctors

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What is the relationship between nanometers and atoms?

• Atoms are larger than nanometers

• Nanometers are used to measure the size of atoms

• Atoms are measured in meters

• Nanometers are irrelevant to atomic measurement