Nanoscience

What is a nanoparticle?

• A particle that is 1 -10 nanometres (nm) in diameter.

• A particle that is 1 -100 nanometres (nm) in diameter.

• A particle that is 10 -100 nanometres (nm) in diameter.

• A particle that is 1 -1000 nanometres (nm) in diameter.

What is a nanometre?

• A billionth of a metre

• A thousandth of a metre

• A hundreth of a metre

• A millionth of a metre

What is a property of nano-sized silver?

• Anti-bactera

• Anit-bactrial

• Anti-bacterial

• Anti-bakterail

What is a use of nano-sized silver?

• Hats

• Gloves

• Coats

• Socks

What is a use of nano-sized titanium dioxide?

• Shower gel

• Shampoo

• Sun-cream

• Moisturiser

What is a property of nano-sized titanium dioxide?

• Blocks UV rays

• Blocks gamma rays

• Blocks infra-red

• Blocks microwaves

Tags

NGSS.HS-PS4-5

Why are people concerned about the use of nanoparticles?

• Don't know the long term effects

• Too expensive

• Too small to see

The abbreviation for nanometer is:

• NM
• Nnm
• nm
• nmm

Nanotechnology is making today's products:

• lighter
• stronger
• faster
• all of the above

Which of the following is largest?

• An atom

• A strand of hair

• A bacteria

• a virus