NationalNanoDayOct9

Multiple Choice

What is the range of dimensions in nanometers that nanotechnology deals with?

• 1 to 10

• 1 to 100

• 10 to 100

• 100 to 1000

Multiple Choice

What is the rough diameter of the nanoprobe's tip?

• 1-2nm

• $$10-20\mu m$$

• 10-20nm

• 10-20mm

Multiple Choice

The science and technology of building devices, such as electronic circuits, from tiny particles like single atoms and molecules.

• Nanotechnology

• Computer Science

• Horology

• Robotics

Multiple Choice

How long would it take a person shrunk to one nanometer tall to walk the length of a dollar bill?

• 1 year

• 10 years

• 24 years

• 100 years

Multiple Choice

What is the thickness of human hair in nanometers?

• 100,000 nm

• 80,000 nm

• 2.5 nm

• 0.3 nm

Multiple Choice

How much smaller is one particle than hair?

• 10 times smaller
• 100 times smaller
• 1,000 times smaller
• 100,000 times smaller

Multiple Choice

How many times smaller than the width of a human hair is one particle?

• 10x
• 100x
• 1,000x
• 100,000x

Multiple Choice

What will you explain about the object shown during the scavenger hunt?

• Its color

• How it relates to nanotechnology

• Its size

• Its weight

Multiple Choice

What are the benefits of nanosilver socks?

• They are made of cotton

• They absorb sweat and kill bacteria

• They are only for military use

• They are expensive

Multiple Choice

How much do fingernails grow in one second?

• One millimeter

• One nanometer

• One centimeter

• One micrometer

Multiple Choice

What is the diameter of the wire used in the Nano Toothbrush?

• 50 microns

• 80 microns

• 100 microns

• 120 microns

Multiple Choice

What are the properties of nitinol that make it suitable for use in braces?

• Shape memory

• High density

• Low elasticity

• Corrosion resistance

Multiple Choice

What is the purpose of the clay nanoparticles in some tennis balls?

• To make the ball heavier

• To improve grip

• To act as a sealant

• To change the color

Multiple Choice

How does the double helix structure of DNA contribute to its function?

• It allows DNA to replicate more efficiently.

• It makes DNA more visible under a microscope.

• It prevents DNA from being damaged by external forces.

• It enables the DNA to store genetic information in a stable form.

Multiple Choice

What advantages do nanomaterials provide in sports equipment like tennis racquets and baseball bats?

• High strength and stiffness

• Reduced weight

• Increased durability

• All of the above

Multiple Choice

What are the properties of nanoparticles of titanium dioxide and zinc oxide in sunscreens?

• They are opaque on the skin

• They absorb UV light only

• They retain UV light-absorbing capacity and scatter visible light

• They are harmful to the skin

Multiple Choice

What are the components mentioned in the text that are found in cellphones?

• Transistors

• Gyroscope

• Fingerprint sensor

• All of the above

Multiple Choice

What is the purpose of the Nanotex® coating on the pants?

• To make the fabric breathable

• To provide spill protection

• To enhance color vibrancy

• To increase weight

Multiple Choice

What are the benefits of using nanotechnology in sunglasses?

• Scratch resistance

• Color variety

• Weight reduction

• UV protection

Multiple Choice

What technology is being used to create an invisibility cloak?

• Nanotechnology

• Biotechnology

• Robotics

• Artificial Intelligence

Multiple Choice

What is the function of silver nanoparticles in Band-Aids?

• To promote healing

• To stop bacterial growth

• To reduce pain

• To enhance adhesion

Multiple Choice

What is the purpose of magnetic ink in the printing of currency?

• To enhance the color

• To provide a magnetic signature

• To make the paper durable

• To prevent counterfeiting

Multiple Choice

What is the purpose of the tea bag described in the text?

• To brew tea

• To filter water

• To store food

• To package herbs

Multiple Choice

What is the purpose of the resin coating used in plastic soda bottles?

• To make the bottles colorful

• To keep beverages fresher and bubblier

• To make the bottles biodegradable

• To reduce the weight of the bottles

Multiple Choice

What is the purpose of microencapsulation in scratch and sniff stickers?

• To store scented liquid

• To make stickers colorful

• To protect medicine

• To release scent quickly

Multiple Choice

What is the function of the ripeSense® sensor in food packaging?

• To measure temperature

• To detect ripeness of fruit

• To change color based on light

• To preserve food freshness

Poll

How confident do you feel about this topic now?

• Very confident
• Somewhat confident
• Not confident