The materials are grouped into various categories on the basis of

• I.  similarities and differences in their properties.
• II.  nature, size, shape and colour.
• III.  solubility, use, transparency and hardness.

Choose the correct option

Matter is defined as __________________________

Which one of the following is not a natural material?

A stone is considered as Matter because it _______________________

____________- form of matter fills the space like it has in the balloon.

________________ materials  have no bumps or ridges and have a plain surface.

Which of the following describes the liquid phase?

Matter is made up of ______________

Which of the following is not of Natural material?

Which of the following statements do not express the properties of a solid ?

1. The particles of a solid have high energy.
2. The interparticle forces of attraction in a solid are very weak.
3. A solid melts at a fixed temperature.
4. The fluidity of a solid is very high.