What are fluids ? Give two examples
Substances which can flow are known as fluids. Both gases and liquids are fluids, e.g. gases (O2, CO2), liquids (H2O, petrol ).
Name the three states of matter.
The three states of matter are : – Solid state LIquid state Gaseous state
Give one difference between atoms and molecules.
Atoms may or may not have independent existance but molecules have independent existence.
What are molecules?
Molecules are the smallest unit of matter and has the capability of exsisting indepently.
Differentiate between living and non-living matter.
Living matter:- Anything that can grow, move and reproduce on their own is called living matter . It is natural Non-living matter:- Anthing that does not grow, move or reproduce on its own that is known as non-living matter. It can be natural or man made.
What are the two main types of matter? Give two examples for each type.
The two main types of matter are:- Living matter Non-living matter Two examples are :- 1.wood and coal 2.glass and nylon
Define matter.
Anything that has mass and occupies space is known as matter.