C2 Material Choices-4

Question 1

Nanotechnology involves structures that are about the same size of

Answer 1

some molecues

(1-100) nanometres in size

Question 2

Nanotechnology can occur in 3 ways, which are…

Answer 2

Naturally-In seaspray
Accident-Particulates in fuel combustion
Design-No example

Question 3

Nanoparticals show different properties that bigger particals of the same material. This is because of…

Answer 3

Larger surface area and Volume

Question 4

Uses of nanotechnology in stuff:
Plasters
Sports Equipment

Answer 4

Silver in plasters- kills bacteria

Makes things stronger and keeps it light