THE NANO WORLD

Question 1

Refers to the development of products or manipulation of matter at the nanoscale

Answer 1

Nanotechnology

Question 2

Building blocks of nanotechnology. They are particles that are 1 to 100 nanometers in size.

Answer 2

Nanoparticles

Question 3

A billionth of a meter.

Answer 3

Nanometer

Question 4

The science of nanoparticles

Answer 4

Nanoscience

Question 5

True or False

Nanoparticles or materials at the nanoscales are larger than atoms and molecules but are smaller than the size of bacteria and viruses. They are so small.

Answer 5

True

Question 6

What special about nanoscales?

Answer 6

Are that solids, liquids, and gases can show their unique physical, chemical, and biological properties.

Question 7

This means properties such as fluorescence, melting point, boiling point, chemical reactivity, and biotoxicity differ from the usual

Answer 7

Quantum effects rule

Question 8

Different from the common gold metal in terms of physical and chemical properties.

Answer 8

Gold nanoparticles

Question 9

Nanovesicles are secreted by vessels primarily for transport. They contain loads of proteins and other biomolecules.

Through technology, these become potential biomarkers for cancer and other diseases

Answer 9

Exosomes

Question 10

True or False

In the nanoscales, the surface area per mass increases. This allows for an increased surface area for reactions. This makes nanoparticles good catalysts.

Answer 10

True

Question 11

An example has a large surface area allowing the binding of other molecules, These binding can be used for potential industrial and biotechnological applications.

Answer 11

Fe3 O4 or Ferric magnetic nanoparticles

Question 12

An example of applications that can be used to detect a particular material or occurrence. One application of these is on food safety.

Answer 12

Nanosensors

Question 13

An example of nanoparticles that resulted from the combination of biopolymers with inorganic molecules. These nanoparticles show flexibility and strength.

Answer 13

Bionanocomposites

Question 14

Allotropes of carbon that have unusual properties

Answer 14

Carbon nanotubes

Question 15

It has the ability to store electrical energy like batteries.

Answer 15

Supercapacitors

Question 16

Nanotechnologies are made up of non-toxic polymers that can store biological or synthetic molecules.

Answer 16

Nanocapsules

Question 17

Nanotechnologies that can be manipulated using magnetic fields. They are made by combining a magnetic material like iron with a chemical material that has functionality.

Application: Medicine
They can be used to detect cancer cells and tumors in the body

Answer 17

Magnetic nanoparticles

Question 18

Give the 6 concerns and issues about nanotechnology

Answer 18

1. Its impact on human health is not clear
3. It has moral issues
4. There is an issue in terms of equality and equity
6. It can negatively affect human behavior

Question 19

Nanotechnology has many particles uses and application in different fields like ______and ______.

Answer 19

Medicine and agriculture