Nanoparticles Flashcards
1
Q
What is the measurement of a nanometre?
A
1,000,000,000 ( 1 billion times smaller than a metre)
2
Q
What is nano science?
A
The study of particles that are the size of 1nm to 100nm
3
Q
If a nanoparticle was the size of a football…
A
a chicken would be the size of the Earth
4
Q
Name the 6 uses of nanoparticles
A
Anti-fungal properties- silver in socks Antibacterial Used in hospitals Sports equipment Suncream-reflects UV light Sunglasses
5
Q
Why are nanoparticles used in zinc oxide?
A
They absorb and reflect light
6
Q
What are some of the risks of using nano particles?
A
so small they can pass through skin, air and ground = could be toxic
