C3 (Nanotechnology)

Question 1

What is Nanotechnology?

Answer 1

• Scientists common language for tiny particles

- includes words like: pollutants, pollen and dust particulate matter (PM)

Question 2

How big is nanotechnology?

Answer 2

1-100 nanometres

Question 3

1 nanometre=

Answer 3

1 x 10(-9)m

Question 4

Airborne particle size

Answer 4

10 micrometres,,1 x 10(-5)m

- known as course particles

Question 5

Size of fine particles

Answer 5

• diameter of 0.1 micrometers,,,1 x 10(-7)m
  OR
• 2.5 x 10(-6)m
• described as PM 0.1 and PM 2.5

Question 6

Properties of Nanotechnology

Answer 6

• surface area to Volume ratio= large

- highly reactive so it can be used for industry and sustainable materials

Question 7

Advantages of Nanotechnology

Answer 7

Used for medicine, electronics, suncream, catalysts, cosmetics and as deodrants

Question 8

Disadvantages of nanotechnology

Answer 8

• take the place of humans in industry meaning less jobs
• diamond and oil not in high demand
• increased health issues (damaged lungs)
• easier to build nuclear weapons as they can powerful but small