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WorksheetsNanoWorld
Total questions: 10
Worksheet time: 5mins
…….. are from one-dimensional nanomaterials
Carbon nanotubes
Thin films
Bucky balls
Nanoshells
GR:- The extraordinary properties of nanomaterials
Due to the decrease of the ratio between the surface area and weight and the no. of atoms on the surface.
Due to the increase of the ratio between the density and volume and the no. of atoms on the surface.
Due to the decrease of the ratio between the surface area and volume and the no. of atoms on the surface.
Due to the increase of the ratio between the surface area and volume and the no. of atoms on the surface.
The creating of nanoscale materials by chemically or physically breaking down the larger materials is known as ______________ approach in nanotechnology?
Top-down
Bottom-up
Bottom-down
None of the above
________ nanoparticles include metals and metal oxides.
Organic
Inorganic
The prefix "nano" comes from a ...
French word meaning "Billion"
Greek word meaning "Dwarf"
Spanish word meaning "Particle"
Latin word meaning "Invisible"
A nanometer (nm) is one millionth of a meter (m).
TRUE
FALSE
A material is called nanomaterial if
All 3 dimensions are in nanorange
One of the three dimensions is in nanorange
Two of the three dimensions is in nanorange
system become zero dimensional
DNA width is
50 nm
10 nm
2.1 nm
0.21 nm
The physical properties of a nanostructure
changes with mass
changes with size
changes with momentum of electron
same as bulk material
A human hair is approximately ________ nanometers wide
100000 nm
900000 nm
8000 nm
100 nm
