Nanotechnology

The prefix "nano" comes from a ...

• French word meaning billion

• Greek word meaning dwarf

• Spanish word meaning particle

• Latin word meaning invisible

What is a buckyball?

• A carbon atom (C60)
• Nickname for Mercedes-Benz's futuristic concept car (C111)
• Plastic explosives nanoparticle (C4)
• Concrete nanoparticle with a compressive strength of 20 nanonewtons (C20)

Tags

NGSS.HS-PS1-3

Nanotechnology is an enabling technology that will impact many industries and applications.  Check all that apply.

• Electronics and computing
• Health and Medicine
• National Security and Space Exploration
• All of the Above

The word "nano" means:

• one millioneth
• one billioneth
• one thousandth
• one trillioneth

What is nanotechnology?

• Study and manipulation of technology that is micro sized

• Study and manipulation of matter that is small but can still be seen by the human eyes

• Study and manipulation of matter at a scale of 1-100 nano meters

• Study and manipulation of matter that moves at a speed measured in nano seconds

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-6

synthesis of nanoparticles is possible with

• top down method

• bottom up method

• both

• none of the above

Why the properties of nanomaterials are different significantly compared to bulk materials?

• Quantum effect

• Confinement effect

• Synergistic effect

• Avalanche effect

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-6

Why the properties of nanomaterials are different significantly compared to bulk materials?

• Increase relative surface area

• Decreased relative surface area

• Increased lattice parameters

• Lower down the melting temperature

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-6

Nanotubes have extraordinary properties, including

• very high tensile strength
• stiff as diamonds
• very high current carrying capacity
• All of the Above

Tags

NGSS.HS-PS2-6

Why is nano-scale titanium dioxide used in suncream?

• It is cheap.

• It is antibacterial.

• It blocks ultraviolet light.

• It breaks down dirt.

Tags

NGSS.HS-PS1-2

NGSS.HS-PS4-4