Introduction to Matter

It is a type of microscope used for imaging surfaces at the atomic level that is based on a quantum mechanical phenomenon.

Scanning tunnelling microscope is based on the quantum mechanical phenomenon known as tunnelling.

State the principle involved in the scanning tunnel microscope.

Write any two uses of Scanning Tunnelling Microscope.

Which of the following is pure from of matter?

Which of the following is given in its pure state of matter?

A newspaper is a form of matter. Matter gets destroyed if we burn newspaper. Do you agree?

State true or false.
All the things that can be seen around us are considered as matter.

The plant in the pot died due to lack of water. A living plant is considered as a form of matter.Is the dead plant also a form of matter?
 

The cooking gas cylinders used in our homes is called as$\mathrm{LPG}$ (Liquefied petroleum gas). Identify the state of matter inside the cylinder.

Identify the property that can be measured without changing the material of the object.

State true or false.

Human body consists of all the three states of matter.

State true or false.
Inflated football consists of two states of matter. 

State true or false.

Increase in energy can cause change in state of matter.

Identify the incorrect statement regarding the properties of matter.

State true or false.
Matter is always visible.

Which of the following is not considered as matter?

State true or false.

Anything that we see and feel around us is matter.

Anita has three glasses. The first glass is empty while she half filled the second glass and completely filled the third glass with water. We all know that water is a form of matter. Hence the third glass is completely filled with matter. Are the empty and half filled glasses also completely filled with matter?

State true or false.

The mass of an object is a measure of the amount of matter contained in it.