Question 1:
What is the difference between nanoscience and nanotechnology?
Answer:
Nanoscience is a study of processing of substances at nanoscale, while nanotechnology is the development of substances or gadgets using the properties of nanoparticles.
What is the difference between nanoscience and nanotechnology?
Answer:
Nanoscience is a study of processing of substances at nanoscale, while nanotechnology is the development of substances or gadgets using the properties of nanoparticles.
Question 2:
Explain how nanotechnology can elevate the standards of living.
Answer:
Nanoparticle sizes, ranging from 1 to 100 nanometres, enable various applications to be invented due to their extremely small sizes. For example, health care can be improved with the production of more effective drugs or devices. In the cosmetic fields, for example, the usage of nanoparticles is able to provide more satisfying outcomes as these extremely small particles have the ability to easily penetrate the skin even more.
Explain how nanotechnology can elevate the standards of living.
Answer:
Nanoparticle sizes, ranging from 1 to 100 nanometres, enable various applications to be invented due to their extremely small sizes. For example, health care can be improved with the production of more effective drugs or devices. In the cosmetic fields, for example, the usage of nanoparticles is able to provide more satisfying outcomes as these extremely small particles have the ability to easily penetrate the skin even more.
Question 3:
Give examples of the applications of nanotechnology.
Answer:
Examples of applications of nanotechnolgy:
(a)
Production of semiconductors and electronics:
• Smaller and more efficient semiconductors.
• High conductivity wiring systems.
(b)
Medical:
• Highly sensitive testing devices.
• More effective drug delivery systems.
(c)
Energy and electricity:
• Smaller and more efficient solar cells.
• Long-lasting batteries.
(d)
Agriculture:
• More effective pesticides.
• Highly efficient and thorough fertilisations.
(e) Textile:
(f)
Food:
• Water, fire and dirt resistant fabrics.
• Anti-wrinkle and UV protective fabrics.
• Nanoscale food additives.
• Antimicrobial food packaging.
Give examples of the applications of nanotechnology.
Answer:
Examples of applications of nanotechnolgy:
(a)
Production of semiconductors and electronics:
• Smaller and more efficient semiconductors.
• High conductivity wiring systems.
(b)
Medical:
• Highly sensitive testing devices.
• More effective drug delivery systems.
(c)
Energy and electricity:
• Smaller and more efficient solar cells.
• Long-lasting batteries.
(d)
Agriculture:
• More effective pesticides.
• Highly efficient and thorough fertilisations.
(e) Textile:
(f)
Food:
• Water, fire and dirt resistant fabrics.
• Anti-wrinkle and UV protective fabrics.
• Nanoscale food additives.
• Antimicrobial food packaging.
Question 4:
“Graphene is suitable to be used for filtering materials”. Explain the statement.
Answer:
Graphene has a high surface area and cavity size that only allows water molecules to pass through it.
“Graphene is suitable to be used for filtering materials”. Explain the statement.
Answer:
Graphene has a high surface area and cavity size that only allows water molecules to pass through it.